20791606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15493}}^1$

素因数の和:15567

約数の個数: 16

約数和(自身を含む): 34582608

約数和(自身を除く): 13791002

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15493, 30986, 170423, 340846, 945073, 1890146, 10395803, 20791606]

約数ペア:

[(1, 20791606), (2, 10395803), (11, 1890146), (22, 945073), (61, 340846), (122, 170423), (671, 30986), (1342, 15493)]