20050505644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{971251}}^1$

素因数の和:971665

約数の個数: 24

約数和(自身を含む): 37882713008

約数和(自身を除く): 17832207364

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1588, 5161, 10322, 20644, 971251, 1942502, 3885004, 12626263, 25252526, 50505052, 385586647, 771173294, 1542346588, 5012626411, 10025252822, 20050505644]

約数ペア:

[(1, 20050505644), (2, 10025252822), (4, 5012626411), (13, 1542346588), (26, 771173294), (52, 385586647), (397, 50505052), (794, 25252526), (1588, 12626263), (5161, 3885004), (10322, 1942502), (20644, 971251)]