20871056

素因数分解:

$2^4\times {\mathrm{983}}^1\times {\mathrm{1327}}^1$

素因数の和:2318

約数の個数: 20

約数和(自身を含む): 40509312

約数和(自身を除く): 19638256

約数列:

[1, 2, 4, 8, 16, 983, 1327, 1966, 2654, 3932, 5308, 7864, 10616, 15728, 21232, 1304441, 2608882, 5217764, 10435528, 20871056]

約数ペア:

[(1, 20871056), (2, 10435528), (4, 5217764), (8, 2608882), (16, 1304441), (983, 21232), (1327, 15728), (1966, 10616), (2654, 7864), (3932, 5308)]