20509676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11369}}^1$

素因数の和:11425

約数の個数: 24

約数和(自身を含む): 40113360

約数和(自身を除く): 19603684

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11369, 22738, 45476, 125059, 250118, 466129, 500236, 932258, 1864516, 5127419, 10254838, 20509676]

約数ペア:

[(1, 20509676), (2, 10254838), (4, 5127419), (11, 1864516), (22, 932258), (41, 500236), (44, 466129), (82, 250118), (164, 125059), (451, 45476), (902, 22738), (1804, 11369)]