20499754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22727}}^1$

素因数の和:22781

約数の個数: 16

約数和(自身を含む): 34364736

約数和(自身を除く): 13864982

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22727, 45454, 249997, 499994, 931807, 1863614, 10249877, 20499754]

約数ペア:

[(1, 20499754), (2, 10249877), (11, 1863614), (22, 931807), (41, 499994), (82, 249997), (451, 45454), (902, 22727)]