20480912

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2801}}^1$

素因数の和:3266

約数の個数: 20

約数和(自身を含む): 39782796

約数和(自身を除く): 19301884

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2801, 3656, 5602, 7312, 11204, 22408, 44816, 1280057, 2560114, 5120228, 10240456, 20480912]

約数ペア:

[(1, 20480912), (2, 10240456), (4, 5120228), (8, 2560114), (16, 1280057), (457, 44816), (914, 22408), (1828, 11204), (2801, 7312), (3656, 5602)]