20917652

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7253}}^1$

素因数の和:7367

約数の個数: 24

約数和(自身を含む): 42247296

約数和(自身を除く): 21329644

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7253, 14506, 29012, 50771, 101542, 203084, 747059, 1494118, 2988236, 5229413, 10458826, 20917652]

約数ペア:

[(1, 20917652), (2, 10458826), (4, 5229413), (7, 2988236), (14, 1494118), (28, 747059), (103, 203084), (206, 101542), (412, 50771), (721, 29012), (1442, 14506), (2884, 7253)]