20881629720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2693}}^1$

素因数の和:2915

約数の個数: 384

約数和(自身を含む): 82607091840

約数和(自身を除く): 61725462120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 181, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 362, 408, 420, 476, 504, 510, 543, 595, 612, 630, 680, 714, 724, 765, 840, 905, 952, 1020, 1071, 1086, 1190, 1224, 1260, 1267, 1428, 1448, 1530, 1629, 1785, 1810, 2040, 2142, 2172, 2380, 2520, 2534, 2693, 2715, 2856, 3060, 3077, 3258, 3570, 3620, 3801, 4284, 4344, 4760, 5068, 5355, 5386, 5430, 6120, 6154, 6335, 6516, 7140, 7240, 7602, 8079, 8145, 8568, 9231, 10136, 10710, 10772, 10860, 11403, 12308, 12670, 13032, 13465, 14280, 15204, 15385, 16158, 16290, 18462, 18851, 19005, 21420, 21539, 21544, 21720, 22806, 24237, 24616, 25340, 26930, 27693, 30408, 30770, 32316, 32580, 36924, 37702, 38010, 40395, 42840, 43078, 45612, 45781, 46155, 48474, 50680, 53860, 55386, 56553, 57015, 61540, 64617, 64632, 65160, 73848, 75404, 76020, 80790, 86156, 91224, 91562, 92310, 94255, 96948, 107695, 107720, 110772, 113106, 114030, 121185, 123080, 129234, 137343, 138465, 150808, 152040, 161580, 169659, 172312, 183124, 184620, 188510, 193851, 193896, 215390, 221544, 226212, 228060, 228905, 242370, 258468, 274686, 276930, 282765, 320467, 323085, 323160, 339318, 366248, 369240, 377020, 387702, 412029, 430780, 452424, 456120, 457810, 484740, 487433, 516936, 549372, 553860, 565530, 640934, 646170, 678636, 686715, 754040, 775404, 824058, 848295, 861560, 915620, 961401, 969255, 969480, 974866, 1098744, 1107720, 1131060, 1281868, 1292340, 1357272, 1373430, 1462299, 1550808, 1602335, 1648116, 1696590, 1831240, 1922802, 1938510, 1949732, 2060145, 2262120, 2437165, 2563736, 2584680, 2746860, 2884203, 2924598, 3204670, 3296232, 3393180, 3412031, 3845604, 3877020, 3899464, 4120290, 4386897, 4807005, 4874330, 5493720, 5768406, 5849196, 6409340, 6786360, 6824062, 7311495, 7691208, 7754040, 8240580, 8286361, 8773794, 9614010, 9748660, 10236093, 11536812, 11698392, 12818680, 13648124, 14421015, 14622990, 16481160, 16572722, 17060155, 17547588, 19228020, 19497320, 20472186, 21934485, 23073624, 24859083, 27296248, 28842030, 29245980, 30708279, 33145444, 34120310, 35095176, 38456040, 40944372, 41431805, 43868970, 49718166, 51180465, 57684060, 58004527, 58491960, 61416558, 66290888, 68240620, 74577249, 81888744, 82863610, 87737940, 99436332, 102360930, 115368120, 116009054, 122833116, 124295415, 136481240, 149154498, 153541395, 165727220, 174013581, 175475880, 198872664, 204721860, 232018108, 245666232, 248590830, 290022635, 298308996, 307082790, 331454440, 348027162, 372886245, 409443720, 464036216, 497181660, 522040743, 580045270, 596617992, 614165580, 696054324, 745772490, 870067905, 994363320, 1044081486, 1160090540, 1228331160, 1392108648, 1491544980, 1740135810, 2088162972, 2320181080, 2610203715, 2983089960, 3480271620, 4176325944, 5220407430, 6960543240, 10440814860, 20881629720]

約数ペア:

[(1, 20881629720), (2, 10440814860), (3, 6960543240), (4, 5220407430), (5, 4176325944), (6, 3480271620), (7, 2983089960), (8, 2610203715), (9, 2320181080), (10, 2088162972), (12, 1740135810), (14, 1491544980), (15, 1392108648), (17, 1228331160), (18, 1160090540), (20, 1044081486), (21, 994363320), (24, 870067905), (28, 745772490), (30, 696054324), (34, 614165580), (35, 596617992), (36, 580045270), (40, 522040743), (42, 497181660), (45, 464036216), (51, 409443720), (56, 372886245), (60, 348027162), (63, 331454440), (68, 307082790), (70, 298308996), (72, 290022635), (84, 248590830), (85, 245666232), (90, 232018108), (102, 204721860), (105, 198872664), (119, 175475880), (120, 174013581), (126, 165727220), (136, 153541395), (140, 149154498), (153, 136481240), (168, 124295415), (170, 122833116), (180, 116009054), (181, 115368120), (204, 102360930), (210, 99436332), (238, 87737940), (252, 82863610), (255, 81888744), (280, 74577249), (306, 68240620), (315, 66290888), (340, 61416558), (357, 58491960), (360, 58004527), (362, 57684060), (408, 51180465), (420, 49718166), (476, 43868970), (504, 41431805), (510, 40944372), (543, 38456040), (595, 35095176), (612, 34120310), (630, 33145444), (680, 30708279), (714, 29245980), (724, 28842030), (765, 27296248), (840, 24859083), (905, 23073624), (952, 21934485), (1020, 20472186), (1071, 19497320), (1086, 19228020), (1190, 17547588), (1224, 17060155), (1260, 16572722), (1267, 16481160), (1428, 14622990), (1448, 14421015), (1530, 13648124), (1629, 12818680), (1785, 11698392), (1810, 11536812), (2040, 10236093), (2142, 9748660), (2172, 9614010), (2380, 8773794), (2520, 8286361), (2534, 8240580), (2693, 7754040), (2715, 7691208), (2856, 7311495), (3060, 6824062), (3077, 6786360), (3258, 6409340), (3570, 5849196), (3620, 5768406), (3801, 5493720), (4284, 4874330), (4344, 4807005), (4760, 4386897), (5068, 4120290), (5355, 3899464), (5386, 3877020), (5430, 3845604), (6120, 3412031), (6154, 3393180), (6335, 3296232), (6516, 3204670), (7140, 2924598), (7240, 2884203), (7602, 2746860), (8079, 2584680), (8145, 2563736), (8568, 2437165), (9231, 2262120), (10136, 2060145), (10710, 1949732), (10772, 1938510), (10860, 1922802), (11403, 1831240), (12308, 1696590), (12670, 1648116), (13032, 1602335), (13465, 1550808), (14280, 1462299), (15204, 1373430), (15385, 1357272), (16158, 1292340), (16290, 1281868), (18462, 1131060), (18851, 1107720), (19005, 1098744), (21420, 974866), (21539, 969480), (21544, 969255), (21720, 961401), (22806, 915620), (24237, 861560), (24616, 848295), (25340, 824058), (26930, 775404), (27693, 754040), (30408, 686715), (30770, 678636), (32316, 646170), (32580, 640934), (36924, 565530), (37702, 553860), (38010, 549372), (40395, 516936), (42840, 487433), (43078, 484740), (45612, 457810), (45781, 456120), (46155, 452424), (48474, 430780), (50680, 412029), (53860, 387702), (55386, 377020), (56553, 369240), (57015, 366248), (61540, 339318), (64617, 323160), (64632, 323085), (65160, 320467), (73848, 282765), (75404, 276930), (76020, 274686), (80790, 258468), (86156, 242370), (91224, 228905), (91562, 228060), (92310, 226212), (94255, 221544), (96948, 215390), (107695, 193896), (107720, 193851), (110772, 188510), (113106, 184620), (114030, 183124), (121185, 172312), (123080, 169659), (129234, 161580), (137343, 152040), (138465, 150808)]