20235788170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{620159}}^1$

素因数の和:620430

約数の個数: 32

約数和(自身を含む): 39382640640

約数和(自身を除く): 19146852470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 2510, 3263, 6526, 16315, 32630, 620159, 1240318, 3100795, 6201590, 8062067, 16124134, 40310335, 80620670, 155659909, 311319818, 778299545, 1556599090, 2023578817, 4047157634, 10117894085, 20235788170]

約数ペア:

[(1, 20235788170), (2, 10117894085), (5, 4047157634), (10, 2023578817), (13, 1556599090), (26, 778299545), (65, 311319818), (130, 155659909), (251, 80620670), (502, 40310335), (1255, 16124134), (2510, 8062067), (3263, 6201590), (6526, 3100795), (16315, 1240318), (32630, 620159)]