20462968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{397}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 40834800

約数和(自身を除く): 20371832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 379, 397, 758, 794, 1516, 1588, 3032, 3176, 6443, 6749, 12886, 13498, 25772, 26996, 51544, 53992, 150463, 300926, 601852, 1203704, 2557871, 5115742, 10231484, 20462968]

約数ペア:

[(1, 20462968), (2, 10231484), (4, 5115742), (8, 2557871), (17, 1203704), (34, 601852), (68, 300926), (136, 150463), (379, 53992), (397, 51544), (758, 26996), (794, 25772), (1516, 13498), (1588, 12886), (3032, 6749), (3176, 6443)]