20632920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:79

約数の個数: 288

約数和(自身を含む): 81874800

約数和(自身を除く): 61241880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 29, 30, 33, 35, 40, 42, 44, 49, 55, 56, 58, 60, 66, 70, 77, 84, 87, 88, 98, 105, 110, 116, 120, 121, 132, 140, 145, 147, 154, 165, 168, 174, 196, 203, 210, 220, 231, 232, 242, 245, 264, 280, 290, 294, 308, 319, 330, 348, 363, 385, 392, 406, 420, 435, 440, 462, 484, 490, 539, 580, 588, 605, 609, 616, 638, 660, 696, 726, 735, 770, 812, 840, 847, 870, 924, 957, 968, 980, 1015, 1078, 1155, 1160, 1176, 1210, 1218, 1276, 1320, 1421, 1452, 1470, 1540, 1595, 1617, 1624, 1694, 1740, 1815, 1848, 1914, 1960, 2030, 2156, 2233, 2310, 2420, 2436, 2541, 2552, 2695, 2842, 2904, 2940, 3045, 3080, 3190, 3234, 3388, 3480, 3509, 3630, 3828, 4060, 4235, 4263, 4312, 4466, 4620, 4785, 4840, 4872, 5082, 5390, 5684, 5880, 5929, 6090, 6380, 6468, 6699, 6776, 7018, 7105, 7260, 7656, 8085, 8120, 8470, 8526, 8932, 9240, 9570, 10164, 10527, 10780, 11165, 11368, 11858, 12180, 12705, 12760, 12936, 13398, 14036, 14210, 14520, 15631, 16170, 16940, 17052, 17545, 17787, 17864, 19140, 20328, 21054, 21315, 21560, 22330, 23716, 24360, 24563, 25410, 26796, 28072, 28420, 29645, 31262, 32340, 33495, 33880, 34104, 35090, 35574, 38280, 42108, 42630, 44660, 46893, 47432, 49126, 50820, 52635, 53592, 56840, 59290, 62524, 64680, 66990, 70180, 71148, 73689, 78155, 84216, 85260, 88935, 89320, 93786, 98252, 101640, 105270, 118580, 122815, 125048, 133980, 140360, 142296, 147378, 156310, 170520, 171941, 177870, 187572, 196504, 210540, 234465, 237160, 245630, 267960, 294756, 312620, 343882, 355740, 368445, 375144, 421080, 468930, 491260, 515823, 589512, 625240, 687764, 711480, 736890, 859705, 937860, 982520, 1031646, 1375528, 1473780, 1719410, 1875720, 2063292, 2579115, 2947560, 3438820, 4126584, 5158230, 6877640, 10316460, 20632920]

約数ペア:

[(1, 20632920), (2, 10316460), (3, 6877640), (4, 5158230), (5, 4126584), (6, 3438820), (7, 2947560), (8, 2579115), (10, 2063292), (11, 1875720), (12, 1719410), (14, 1473780), (15, 1375528), (20, 1031646), (21, 982520), (22, 937860), (24, 859705), (28, 736890), (29, 711480), (30, 687764), (33, 625240), (35, 589512), (40, 515823), (42, 491260), (44, 468930), (49, 421080), (55, 375144), (56, 368445), (58, 355740), (60, 343882), (66, 312620), (70, 294756), (77, 267960), (84, 245630), (87, 237160), (88, 234465), (98, 210540), (105, 196504), (110, 187572), (116, 177870), (120, 171941), (121, 170520), (132, 156310), (140, 147378), (145, 142296), (147, 140360), (154, 133980), (165, 125048), (168, 122815), (174, 118580), (196, 105270), (203, 101640), (210, 98252), (220, 93786), (231, 89320), (232, 88935), (242, 85260), (245, 84216), (264, 78155), (280, 73689), (290, 71148), (294, 70180), (308, 66990), (319, 64680), (330, 62524), (348, 59290), (363, 56840), (385, 53592), (392, 52635), (406, 50820), (420, 49126), (435, 47432), (440, 46893), (462, 44660), (484, 42630), (490, 42108), (539, 38280), (580, 35574), (588, 35090), (605, 34104), (609, 33880), (616, 33495), (638, 32340), (660, 31262), (696, 29645), (726, 28420), (735, 28072), (770, 26796), (812, 25410), (840, 24563), (847, 24360), (870, 23716), (924, 22330), (957, 21560), (968, 21315), (980, 21054), (1015, 20328), (1078, 19140), (1155, 17864), (1160, 17787), (1176, 17545), (1210, 17052), (1218, 16940), (1276, 16170), (1320, 15631), (1421, 14520), (1452, 14210), (1470, 14036), (1540, 13398), (1595, 12936), (1617, 12760), (1624, 12705), (1694, 12180), (1740, 11858), (1815, 11368), (1848, 11165), (1914, 10780), (1960, 10527), (2030, 10164), (2156, 9570), (2233, 9240), (2310, 8932), (2420, 8526), (2436, 8470), (2541, 8120), (2552, 8085), (2695, 7656), (2842, 7260), (2904, 7105), (2940, 7018), (3045, 6776), (3080, 6699), (3190, 6468), (3234, 6380), (3388, 6090), (3480, 5929), (3509, 5880), (3630, 5684), (3828, 5390), (4060, 5082), (4235, 4872), (4263, 4840), (4312, 4785), (4466, 4620)]