19700048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42457}}^1$

素因数の和:42494

約数の個数: 20

約数和(自身を含む): 39485940

約数和(自身を除く): 19785892

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42457, 84914, 169828, 339656, 679312, 1231253, 2462506, 4925012, 9850024, 19700048]

約数ペア:

[(1, 19700048), (2, 9850024), (4, 4925012), (8, 2462506), (16, 1231253), (29, 679312), (58, 339656), (116, 169828), (232, 84914), (464, 42457)]