20174739715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4561}}^1\times {\mathrm{4003}}^1$

素因数の和:8599

約数の個数: 32

約数和(自身を含む): 27618566976

約数和(自身を除く): 7443827261

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 4003, 4561, 20015, 22805, 52039, 59293, 68051, 77537, 260195, 296465, 340255, 387685, 884663, 1007981, 4423315, 5039905, 18257683, 91288415, 237349879, 310380611, 1186749395, 1551903055, 4034947943, 20174739715]

約数ペア:

[(1, 20174739715), (5, 4034947943), (13, 1551903055), (17, 1186749395), (65, 310380611), (85, 237349879), (221, 91288415), (1105, 18257683), (4003, 5039905), (4561, 4423315), (20015, 1007981), (22805, 884663), (52039, 387685), (59293, 340255), (68051, 296465), (77537, 260195)]