20743581

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 28562688

約数和(自身を除く): 7819107

約数列:

[1, 3, 41, 123, 137, 411, 1231, 3693, 5617, 16851, 50471, 151413, 168647, 505941, 6914527, 20743581]

約数ペア:

[(1, 20743581), (3, 6914527), (41, 505941), (123, 168647), (137, 151413), (411, 50471), (1231, 16851), (3693, 5617)]