20999456

素因数分解:

$2^5\times {\mathrm{541}}^1\times {\mathrm{1213}}^1$

素因数の和:1764

約数の個数: 24

約数和(自身を含む): 41453244

約数和(自身を除く): 20453788

約数列:

[1, 2, 4, 8, 16, 32, 541, 1082, 1213, 2164, 2426, 4328, 4852, 8656, 9704, 17312, 19408, 38816, 656233, 1312466, 2624932, 5249864, 10499728, 20999456]

約数ペア:

[(1, 20999456), (2, 10499728), (4, 5249864), (8, 2624932), (16, 1312466), (32, 656233), (541, 38816), (1082, 19408), (1213, 17312), (2164, 9704), (2426, 8656), (4328, 4852)]