20173909885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3235591}}^1$

素因数の和:3235668

約数の個数: 16

約数和(自身を含む): 25625888640

約数和(自身を除く): 5451978755

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 3235591, 16177955, 93832139, 139130413, 469160695, 695652065, 4034781977, 20173909885]

約数ペア:

[(1, 20173909885), (5, 4034781977), (29, 695652065), (43, 469160695), (145, 139130413), (215, 93832139), (1247, 16177955), (6235, 3235591)]