20941210

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11699}}^1$

素因数の和:11885

約数の個数: 16

約数和(自身を含む): 37908000

約数和(自身を除く): 16966790

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 11699, 23398, 58495, 116990, 2094121, 4188242, 10470605, 20941210]

約数ペア:

[(1, 20941210), (2, 10470605), (5, 4188242), (10, 2094121), (179, 116990), (358, 58495), (895, 23398), (1790, 11699)]