20808890498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1\times {\mathrm{24799}}^1$

素因数の和:25742

約数の個数: 32

約数和(自身を含む): 34883481600

約数和(自身を除く): 14074591102

約数列:

[1, 2, 11, 22, 43, 86, 473, 887, 946, 1774, 9757, 19514, 24799, 38141, 49598, 76282, 272789, 419551, 545578, 839102, 1066357, 2132714, 11729927, 21996713, 23459854, 43993426, 241963843, 483927686, 945858659, 1891717318, 10404445249, 20808890498]

約数ペア:

[(1, 20808890498), (2, 10404445249), (11, 1891717318), (22, 945858659), (43, 483927686), (86, 241963843), (473, 43993426), (887, 23459854), (946, 21996713), (1774, 11729927), (9757, 2132714), (19514, 1066357), (24799, 839102), (38141, 545578), (49598, 419551), (76282, 272789)]