20955934

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8681}}^1$

素因数の和:8771

約数の個数: 16

約数和(自身を含む): 33755616

約数和(自身を除く): 12799682

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8681, 17362, 147577, 295154, 616351, 1232702, 10477967, 20955934]

約数ペア:

[(1, 20955934), (2, 10477967), (17, 1232702), (34, 616351), (71, 295154), (142, 147577), (1207, 17362), (2414, 8681)]