20694484

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 37657088

約数和(自身を除く): 16962604

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1063, 2126, 4252, 4867, 9734, 19468, 32953, 65906, 131812, 166891, 333782, 667564, 5173621, 10347242, 20694484]

約数ペア:

[(1, 20694484), (2, 10347242), (4, 5173621), (31, 667564), (62, 333782), (124, 166891), (157, 131812), (314, 65906), (628, 32953), (1063, 19468), (2126, 9734), (4252, 4867)]