20734516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1187}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 39717216

約数和(自身を除く): 18982700

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1187, 1588, 2374, 4367, 4748, 8734, 13057, 17468, 26114, 52228, 471239, 942478, 1884956, 5183629, 10367258, 20734516]

約数ペア:

[(1, 20734516), (2, 10367258), (4, 5183629), (11, 1884956), (22, 942478), (44, 471239), (397, 52228), (794, 26114), (1187, 17468), (1588, 13057), (2374, 8734), (4367, 4748)]