20888965472

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{457}}^1\times {\mathrm{26951}}^1$

素因数の和:27471

約数の個数: 48

約数和(自身を含む): 41994342432

約数和(自身を除く): 21105376960

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 457, 848, 914, 1696, 1828, 3656, 7312, 14624, 24221, 26951, 48442, 53902, 96884, 107804, 193768, 215608, 387536, 431216, 775072, 862432, 1428403, 2856806, 5713612, 11427224, 12316607, 22854448, 24633214, 45708896, 49266428, 98532856, 197065712, 394131424, 652780171, 1305560342, 2611120684, 5222241368, 10444482736, 20888965472]

約数ペア:

[(1, 20888965472), (2, 10444482736), (4, 5222241368), (8, 2611120684), (16, 1305560342), (32, 652780171), (53, 394131424), (106, 197065712), (212, 98532856), (424, 49266428), (457, 45708896), (848, 24633214), (914, 22854448), (1696, 12316607), (1828, 11427224), (3656, 5713612), (7312, 2856806), (14624, 1428403), (24221, 862432), (26951, 775072), (48442, 431216), (53902, 387536), (96884, 215608), (107804, 193768)]