20517929

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 23083200

約数和(自身を除く): 2565271

約数列:

[1, 17, 19, 139, 323, 457, 2363, 2641, 7769, 8683, 44897, 63523, 147611, 1079891, 1206937, 20517929]

約数ペア:

[(1, 20517929), (17, 1206937), (19, 1079891), (139, 147611), (323, 63523), (457, 44897), (2363, 8683), (2641, 7769)]