20187251696

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11575259}}^1$

素因数の和:11575376

約数の個数: 20

約数和(自身を含む): 39471636600

約数和(自身を除く): 19284384904

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11575259, 23150518, 46301036, 92602072, 185204144, 1261703231, 2523406462, 5046812924, 10093625848, 20187251696]

約数ペア:

[(1, 20187251696), (2, 10093625848), (4, 5046812924), (8, 2523406462), (16, 1261703231), (109, 185204144), (218, 92602072), (436, 46301036), (872, 23150518), (1744, 11575259)]