20519302

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2129}}^1$

素因数の和:2271

約数の個数: 16

約数和(自身を含む): 31694400

約数和(自身を除く): 11175098

約数列:

[1, 2, 61, 79, 122, 158, 2129, 4258, 4819, 9638, 129869, 168191, 259738, 336382, 10259651, 20519302]

約数ペア:

[(1, 20519302), (2, 10259651), (61, 336382), (79, 259738), (122, 168191), (158, 129869), (2129, 9638), (4258, 4819)]