20813386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20129}}^1$

素因数の和:20189

約数の個数: 16

約数和(自身を含む): 34784640

約数和(自身を除く): 13971254

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20129, 40258, 221419, 442838, 946063, 1892126, 10406693, 20813386]

約数ペア:

[(1, 20813386), (2, 10406693), (11, 1892126), (22, 946063), (47, 442838), (94, 221419), (517, 40258), (1034, 20129)]