20490998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15269}}^1$

素因数の和:15343

約数の個数: 16

約数和(自身を含む): 34082640

約数和(自身を除く): 13591642

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15269, 30538, 167959, 335918, 931409, 1862818, 10245499, 20490998]

約数ペア:

[(1, 20490998), (2, 10245499), (11, 1862818), (22, 931409), (61, 335918), (122, 167959), (671, 30538), (1342, 15269)]