20525830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3851}}^1$

素因数の和:3912

約数の個数: 32

約数和(自身を含む): 40769568

約数和(自身を除く): 20243738

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3851, 5330, 7702, 19255, 38510, 50063, 100126, 157891, 250315, 315782, 500630, 789455, 1578910, 2052583, 4105166, 10262915, 20525830]

約数ペア:

[(1, 20525830), (2, 10262915), (5, 4105166), (10, 2052583), (13, 1578910), (26, 789455), (41, 500630), (65, 315782), (82, 250315), (130, 157891), (205, 100126), (410, 50063), (533, 38510), (1066, 19255), (2665, 7702), (3851, 5330)]