20485876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2617}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 38118080

約数和(自身を除く): 17632204

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2617, 3914, 5234, 7828, 10468, 49723, 99446, 198892, 269551, 539102, 1078204, 5121469, 10242938, 20485876]

約数ペア:

[(1, 20485876), (2, 10242938), (4, 5121469), (19, 1078204), (38, 539102), (76, 269551), (103, 198892), (206, 99446), (412, 49723), (1957, 10468), (2617, 7828), (3914, 5234)]