20871682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47221}}^1$

素因数の和:47253

約数の個数: 16

約数和(自身を含む): 35699832

約数和(自身を除く): 14828150

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47221, 94442, 613873, 802757, 1227746, 1605514, 10435841, 20871682]

約数ペア:

[(1, 20871682), (2, 10435841), (13, 1605514), (17, 1227746), (26, 802757), (34, 613873), (221, 94442), (442, 47221)]