20484994

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2081

約数の個数: 16

約数和(自身を含む): 31733856

約数和(自身を除く): 11248862

約数列:

[1, 2, 41, 82, 131, 262, 1907, 3814, 5371, 10742, 78187, 156374, 249817, 499634, 10242497, 20484994]

約数ペア:

[(1, 20484994), (2, 10242497), (41, 499634), (82, 249817), (131, 156374), (262, 78187), (1907, 10742), (3814, 5371)]