20710080

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 280

約数和(自身を含む): 79662528

約数和(自身を除く): 58952448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 47, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 94, 96, 102, 108, 120, 135, 136, 141, 144, 153, 160, 162, 170, 180, 188, 192, 204, 216, 235, 240, 255, 270, 272, 282, 288, 306, 320, 324, 340, 360, 376, 405, 408, 423, 432, 459, 470, 480, 510, 540, 544, 564, 576, 612, 648, 680, 705, 720, 752, 765, 799, 810, 816, 846, 864, 918, 940, 960, 1020, 1080, 1088, 1128, 1224, 1269, 1296, 1360, 1377, 1410, 1440, 1504, 1530, 1598, 1620, 1632, 1692, 1728, 1836, 1880, 2040, 2115, 2160, 2256, 2295, 2397, 2448, 2538, 2592, 2720, 2754, 2820, 2880, 3008, 3060, 3196, 3240, 3264, 3384, 3672, 3760, 3807, 3995, 4080, 4230, 4320, 4512, 4590, 4794, 4896, 5076, 5184, 5440, 5508, 5640, 6120, 6345, 6392, 6480, 6768, 6885, 7191, 7344, 7520, 7614, 7990, 8160, 8460, 8640, 9024, 9180, 9588, 9792, 10152, 11016, 11280, 11985, 12240, 12690, 12784, 12960, 13536, 13770, 14382, 14688, 15040, 15228, 15980, 16320, 16920, 18360, 19035, 19176, 20304, 21573, 22032, 22560, 23970, 24480, 25380, 25568, 25920, 27072, 27540, 28764, 29376, 30456, 31960, 33840, 35955, 36720, 38070, 38352, 40608, 43146, 44064, 45120, 47940, 48960, 50760, 51136, 55080, 57528, 60912, 63920, 64719, 67680, 71910, 73440, 76140, 76704, 81216, 86292, 88128, 95880, 101520, 107865, 110160, 115056, 121824, 127840, 129438, 135360, 143820, 146880, 152280, 153408, 172584, 191760, 203040, 215730, 220320, 230112, 243648, 255680, 258876, 287640, 304560, 323595, 345168, 383520, 406080, 431460, 440640, 460224, 517752, 575280, 609120, 647190, 690336, 767040, 862920, 1035504, 1150560, 1218240, 1294380, 1380672, 1725840, 2071008, 2301120, 2588760, 3451680, 4142016, 5177520, 6903360, 10355040, 20710080]

約数ペア:

[(1, 20710080), (2, 10355040), (3, 6903360), (4, 5177520), (5, 4142016), (6, 3451680), (8, 2588760), (9, 2301120), (10, 2071008), (12, 1725840), (15, 1380672), (16, 1294380), (17, 1218240), (18, 1150560), (20, 1035504), (24, 862920), (27, 767040), (30, 690336), (32, 647190), (34, 609120), (36, 575280), (40, 517752), (45, 460224), (47, 440640), (48, 431460), (51, 406080), (54, 383520), (60, 345168), (64, 323595), (68, 304560), (72, 287640), (80, 258876), (81, 255680), (85, 243648), (90, 230112), (94, 220320), (96, 215730), (102, 203040), (108, 191760), (120, 172584), (135, 153408), (136, 152280), (141, 146880), (144, 143820), (153, 135360), (160, 129438), (162, 127840), (170, 121824), (180, 115056), (188, 110160), (192, 107865), (204, 101520), (216, 95880), (235, 88128), (240, 86292), (255, 81216), (270, 76704), (272, 76140), (282, 73440), (288, 71910), (306, 67680), (320, 64719), (324, 63920), (340, 60912), (360, 57528), (376, 55080), (405, 51136), (408, 50760), (423, 48960), (432, 47940), (459, 45120), (470, 44064), (480, 43146), (510, 40608), (540, 38352), (544, 38070), (564, 36720), (576, 35955), (612, 33840), (648, 31960), (680, 30456), (705, 29376), (720, 28764), (752, 27540), (765, 27072), (799, 25920), (810, 25568), (816, 25380), (846, 24480), (864, 23970), (918, 22560), (940, 22032), (960, 21573), (1020, 20304), (1080, 19176), (1088, 19035), (1128, 18360), (1224, 16920), (1269, 16320), (1296, 15980), (1360, 15228), (1377, 15040), (1410, 14688), (1440, 14382), (1504, 13770), (1530, 13536), (1598, 12960), (1620, 12784), (1632, 12690), (1692, 12240), (1728, 11985), (1836, 11280), (1880, 11016), (2040, 10152), (2115, 9792), (2160, 9588), (2256, 9180), (2295, 9024), (2397, 8640), (2448, 8460), (2538, 8160), (2592, 7990), (2720, 7614), (2754, 7520), (2820, 7344), (2880, 7191), (3008, 6885), (3060, 6768), (3196, 6480), (3240, 6392), (3264, 6345), (3384, 6120), (3672, 5640), (3760, 5508), (3807, 5440), (3995, 5184), (4080, 5076), (4230, 4896), (4320, 4794), (4512, 4590)]