20210188

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 36372672

約数和(自身を除く): 16162484

約数列:

[1, 2, 4, 47, 94, 188, 193, 386, 557, 772, 1114, 2228, 9071, 18142, 26179, 36284, 52358, 104716, 107501, 215002, 430004, 5052547, 10105094, 20210188]

約数ペア:

[(1, 20210188), (2, 10105094), (4, 5052547), (47, 430004), (94, 215002), (188, 107501), (193, 104716), (386, 52358), (557, 36284), (772, 26179), (1114, 18142), (2228, 9071)]