20622778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5179}}^1$

素因数の和:5373

約数の個数: 16

約数和(自身を含む): 33939360

約数和(自身を除く): 13316582

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5179, 10358, 56969, 113938, 937399, 1874798, 10311389, 20622778]

約数ペア:

[(1, 20622778), (2, 10311389), (11, 1874798), (22, 937399), (181, 113938), (362, 56969), (1991, 10358), (3982, 5179)]