20778858715

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{14717}}^1\times {\mathrm{9109}}^1$

素因数の和:23862

約数の個数: 16

約数和(自身を含む): 25743548160

約数和(自身を除く): 4964689445

約数列:

[1, 5, 31, 155, 9109, 14717, 45545, 73585, 282379, 456227, 1411895, 2281135, 134057153, 670285765, 4155771743, 20778858715]

約数ペア:

[(1, 20778858715), (5, 4155771743), (31, 670285765), (155, 134057153), (9109, 2281135), (14717, 1411895), (45545, 456227), (73585, 282379)]