13291216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{20261}}^1$

素因数の和:20310

約数の個数: 20

約数和(自身を含む): 26381124

約数和(自身を除く): 13089908

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 20261, 40522, 81044, 162088, 324176, 830701, 1661402, 3322804, 6645608, 13291216]

約数ペア:

[(1, 13291216), (2, 6645608), (4, 3322804), (8, 1661402), (16, 830701), (41, 324176), (82, 162088), (164, 81044), (328, 40522), (656, 20261)]