20902486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55889}}^1$

素因数の和:55919

約数の個数: 16

約数和(自身を含む): 36216720

約数和(自身を除く): 15314234

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55889, 111778, 614779, 950113, 1229558, 1900226, 10451243, 20902486]

約数ペア:

[(1, 20902486), (2, 10451243), (11, 1900226), (17, 1229558), (22, 950113), (34, 614779), (187, 111778), (374, 55889)]