20906974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55901}}^1$

素因数の和:55931

約数の個数: 16

約数和(自身を含む): 36224496

約数和(自身を除く): 15317522

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55901, 111802, 614911, 950317, 1229822, 1900634, 10453487, 20906974]

約数ペア:

[(1, 20906974), (2, 10453487), (11, 1900634), (17, 1229822), (22, 950317), (34, 614911), (187, 111802), (374, 55901)]