20403240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 256

約数和(自身を含む): 76204800

約数和(自身を除く): 55801560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 29, 30, 33, 39, 40, 41, 44, 52, 55, 58, 60, 65, 66, 78, 82, 87, 88, 104, 110, 116, 120, 123, 130, 132, 143, 145, 156, 164, 165, 174, 195, 205, 220, 232, 246, 260, 264, 286, 290, 312, 319, 328, 330, 348, 377, 390, 410, 429, 435, 440, 451, 492, 520, 533, 572, 580, 615, 638, 660, 696, 715, 754, 780, 820, 858, 870, 902, 957, 984, 1066, 1131, 1144, 1160, 1189, 1230, 1276, 1320, 1353, 1430, 1508, 1560, 1595, 1599, 1640, 1716, 1740, 1804, 1885, 1914, 2132, 2145, 2255, 2262, 2378, 2460, 2552, 2665, 2706, 2860, 3016, 3190, 3198, 3432, 3480, 3567, 3608, 3770, 3828, 4147, 4264, 4290, 4510, 4524, 4756, 4785, 4920, 5330, 5412, 5655, 5720, 5863, 5945, 6380, 6396, 6765, 7134, 7540, 7656, 7995, 8294, 8580, 9020, 9048, 9512, 9570, 10660, 10824, 11310, 11726, 11890, 12441, 12760, 12792, 13079, 13530, 14268, 15080, 15457, 15990, 16588, 17160, 17589, 17835, 18040, 19140, 20735, 21320, 22620, 23452, 23780, 24882, 26158, 27060, 28536, 29315, 30914, 31980, 33176, 35178, 35670, 38280, 39237, 41470, 45240, 46371, 46904, 47560, 49764, 52316, 54120, 58630, 61828, 62205, 63960, 65395, 70356, 71340, 77285, 78474, 82940, 87945, 92742, 99528, 104632, 117260, 123656, 124410, 130790, 140712, 142680, 154570, 156948, 165880, 170027, 175890, 185484, 196185, 231855, 234520, 248820, 261580, 309140, 313896, 340054, 351780, 370968, 392370, 463710, 497640, 510081, 523160, 618280, 680108, 703560, 784740, 850135, 927420, 1020162, 1360216, 1569480, 1700270, 1854840, 2040324, 2550405, 3400540, 4080648, 5100810, 6801080, 10201620, 20403240]

約数ペア:

[(1, 20403240), (2, 10201620), (3, 6801080), (4, 5100810), (5, 4080648), (6, 3400540), (8, 2550405), (10, 2040324), (11, 1854840), (12, 1700270), (13, 1569480), (15, 1360216), (20, 1020162), (22, 927420), (24, 850135), (26, 784740), (29, 703560), (30, 680108), (33, 618280), (39, 523160), (40, 510081), (41, 497640), (44, 463710), (52, 392370), (55, 370968), (58, 351780), (60, 340054), (65, 313896), (66, 309140), (78, 261580), (82, 248820), (87, 234520), (88, 231855), (104, 196185), (110, 185484), (116, 175890), (120, 170027), (123, 165880), (130, 156948), (132, 154570), (143, 142680), (145, 140712), (156, 130790), (164, 124410), (165, 123656), (174, 117260), (195, 104632), (205, 99528), (220, 92742), (232, 87945), (246, 82940), (260, 78474), (264, 77285), (286, 71340), (290, 70356), (312, 65395), (319, 63960), (328, 62205), (330, 61828), (348, 58630), (377, 54120), (390, 52316), (410, 49764), (429, 47560), (435, 46904), (440, 46371), (451, 45240), (492, 41470), (520, 39237), (533, 38280), (572, 35670), (580, 35178), (615, 33176), (638, 31980), (660, 30914), (696, 29315), (715, 28536), (754, 27060), (780, 26158), (820, 24882), (858, 23780), (870, 23452), (902, 22620), (957, 21320), (984, 20735), (1066, 19140), (1131, 18040), (1144, 17835), (1160, 17589), (1189, 17160), (1230, 16588), (1276, 15990), (1320, 15457), (1353, 15080), (1430, 14268), (1508, 13530), (1560, 13079), (1595, 12792), (1599, 12760), (1640, 12441), (1716, 11890), (1740, 11726), (1804, 11310), (1885, 10824), (1914, 10660), (2132, 9570), (2145, 9512), (2255, 9048), (2262, 9020), (2378, 8580), (2460, 8294), (2552, 7995), (2665, 7656), (2706, 7540), (2860, 7134), (3016, 6765), (3190, 6396), (3198, 6380), (3432, 5945), (3480, 5863), (3567, 5720), (3608, 5655), (3770, 5412), (3828, 5330), (4147, 4920), (4264, 4785), (4290, 4756), (4510, 4524)]