20430974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9851}}^1$

素因数の和:9931

約数の個数: 16

約数和(自身を含む): 32984496

約数和(自身を除く): 12553522

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9851, 19702, 167467, 334934, 600911, 1201822, 10215487, 20430974]

約数ペア:

[(1, 20430974), (2, 10215487), (17, 1201822), (34, 600911), (61, 334934), (122, 167467), (1037, 19702), (2074, 9851)]