20898071880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{13499}}^1$

素因数の和:13636

約数の個数: 256

約数和(自身を含む): 76204800000

約数和(自身を除く): 55306728120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 97, 105, 114, 120, 133, 140, 152, 168, 190, 194, 210, 228, 266, 280, 285, 291, 380, 388, 399, 420, 456, 485, 532, 570, 582, 665, 679, 760, 776, 798, 840, 970, 1064, 1140, 1164, 1330, 1358, 1455, 1596, 1843, 1940, 1995, 2037, 2280, 2328, 2660, 2716, 2910, 3192, 3395, 3686, 3880, 3990, 4074, 5320, 5432, 5529, 5820, 6790, 7372, 7980, 8148, 9215, 10185, 11058, 11640, 12901, 13499, 13580, 14744, 15960, 16296, 18430, 20370, 22116, 25802, 26998, 27160, 27645, 36860, 38703, 40497, 40740, 44232, 51604, 53996, 55290, 64505, 67495, 73720, 77406, 80994, 81480, 94493, 103208, 107992, 110580, 129010, 134990, 154812, 161988, 188986, 193515, 202485, 221160, 256481, 258020, 269980, 283479, 309624, 323976, 377972, 387030, 404970, 472465, 512962, 516040, 539960, 566958, 755944, 769443, 774060, 809940, 944930, 1025924, 1133916, 1282405, 1309403, 1417395, 1538886, 1548120, 1619880, 1795367, 1889860, 2051848, 2267832, 2564810, 2618806, 2834790, 3077772, 3590734, 3779720, 3847215, 3928209, 5129620, 5237612, 5386101, 5669580, 6155544, 6547015, 7181468, 7694430, 7856418, 8976835, 9165821, 10259240, 10475224, 10772202, 11339160, 13094030, 14362936, 15388860, 15712836, 17953670, 18331642, 19641045, 21544404, 24878657, 26188060, 26930505, 27497463, 30777720, 31425672, 35907340, 36663284, 39282090, 43088808, 45829105, 49757314, 52376120, 53861010, 54994926, 71814680, 73326568, 74635971, 78564180, 91658210, 99514628, 107722020, 109989852, 124393285, 137487315, 149271942, 157128360, 174150599, 183316420, 199029256, 215444040, 219979704, 248786570, 274974630, 298543884, 348301198, 366632840, 373179855, 497573140, 522451797, 549949260, 597087768, 696602396, 746359710, 870752995, 995146280, 1044903594, 1099898520, 1393204792, 1492719420, 1741505990, 2089807188, 2612258985, 2985438840, 3483011980, 4179614376, 5224517970, 6966023960, 10449035940, 20898071880]

約数ペア:

[(1, 20898071880), (2, 10449035940), (3, 6966023960), (4, 5224517970), (5, 4179614376), (6, 3483011980), (7, 2985438840), (8, 2612258985), (10, 2089807188), (12, 1741505990), (14, 1492719420), (15, 1393204792), (19, 1099898520), (20, 1044903594), (21, 995146280), (24, 870752995), (28, 746359710), (30, 696602396), (35, 597087768), (38, 549949260), (40, 522451797), (42, 497573140), (56, 373179855), (57, 366632840), (60, 348301198), (70, 298543884), (76, 274974630), (84, 248786570), (95, 219979704), (97, 215444040), (105, 199029256), (114, 183316420), (120, 174150599), (133, 157128360), (140, 149271942), (152, 137487315), (168, 124393285), (190, 109989852), (194, 107722020), (210, 99514628), (228, 91658210), (266, 78564180), (280, 74635971), (285, 73326568), (291, 71814680), (380, 54994926), (388, 53861010), (399, 52376120), (420, 49757314), (456, 45829105), (485, 43088808), (532, 39282090), (570, 36663284), (582, 35907340), (665, 31425672), (679, 30777720), (760, 27497463), (776, 26930505), (798, 26188060), (840, 24878657), (970, 21544404), (1064, 19641045), (1140, 18331642), (1164, 17953670), (1330, 15712836), (1358, 15388860), (1455, 14362936), (1596, 13094030), (1843, 11339160), (1940, 10772202), (1995, 10475224), (2037, 10259240), (2280, 9165821), (2328, 8976835), (2660, 7856418), (2716, 7694430), (2910, 7181468), (3192, 6547015), (3395, 6155544), (3686, 5669580), (3880, 5386101), (3990, 5237612), (4074, 5129620), (5320, 3928209), (5432, 3847215), (5529, 3779720), (5820, 3590734), (6790, 3077772), (7372, 2834790), (7980, 2618806), (8148, 2564810), (9215, 2267832), (10185, 2051848), (11058, 1889860), (11640, 1795367), (12901, 1619880), (13499, 1548120), (13580, 1538886), (14744, 1417395), (15960, 1309403), (16296, 1282405), (18430, 1133916), (20370, 1025924), (22116, 944930), (25802, 809940), (26998, 774060), (27160, 769443), (27645, 755944), (36860, 566958), (38703, 539960), (40497, 516040), (40740, 512962), (44232, 472465), (51604, 404970), (53996, 387030), (55290, 377972), (64505, 323976), (67495, 309624), (73720, 283479), (77406, 269980), (80994, 258020), (81480, 256481), (94493, 221160), (103208, 202485), (107992, 193515), (110580, 188986), (129010, 161988), (134990, 154812)]