20545924

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12437}}^1$

素因数の和:12507

約数の個数: 24

約数和(自身を含む): 41791680

約数和(自身を除く): 21245756

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12437, 24874, 49748, 87059, 174118, 348236, 733783, 1467566, 2935132, 5136481, 10272962, 20545924]

約数ペア:

[(1, 20545924), (2, 10272962), (4, 5136481), (7, 2935132), (14, 1467566), (28, 733783), (59, 348236), (118, 174118), (236, 87059), (413, 49748), (826, 24874), (1652, 12437)]