20995711

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2677}}^1$

素因数の和:2742

約数の個数: 16

約数和(自身を含む): 24680448

約数和(自身を除く): 3684737

約数列:

[1, 11, 23, 31, 253, 341, 713, 2677, 7843, 29447, 61571, 82987, 677281, 912857, 1908701, 20995711]

約数ペア:

[(1, 20995711), (11, 1908701), (23, 912857), (31, 677281), (253, 82987), (341, 61571), (713, 29447), (2677, 7843)]