20680608

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 59524416

約数和(自身を除く): 38843808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 73, 78, 96, 104, 146, 156, 208, 219, 227, 292, 312, 416, 438, 454, 584, 624, 681, 876, 908, 949, 1168, 1248, 1362, 1752, 1816, 1898, 2336, 2724, 2847, 2951, 3504, 3632, 3796, 5448, 5694, 5902, 7008, 7264, 7592, 8853, 10896, 11388, 11804, 15184, 16571, 17706, 21792, 22776, 23608, 30368, 33142, 35412, 45552, 47216, 49713, 66284, 70824, 91104, 94432, 99426, 132568, 141648, 198852, 215423, 265136, 283296, 397704, 430846, 530272, 646269, 795408, 861692, 1292538, 1590816, 1723384, 2585076, 3446768, 5170152, 6893536, 10340304, 20680608]

約数ペア:

[(1, 20680608), (2, 10340304), (3, 6893536), (4, 5170152), (6, 3446768), (8, 2585076), (12, 1723384), (13, 1590816), (16, 1292538), (24, 861692), (26, 795408), (32, 646269), (39, 530272), (48, 430846), (52, 397704), (73, 283296), (78, 265136), (96, 215423), (104, 198852), (146, 141648), (156, 132568), (208, 99426), (219, 94432), (227, 91104), (292, 70824), (312, 66284), (416, 49713), (438, 47216), (454, 45552), (584, 35412), (624, 33142), (681, 30368), (876, 23608), (908, 22776), (949, 21792), (1168, 17706), (1248, 16571), (1362, 15184), (1752, 11804), (1816, 11388), (1898, 10896), (2336, 8853), (2724, 7592), (2847, 7264), (2951, 7008), (3504, 5902), (3632, 5694), (3796, 5448)]