20180857475

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{21589}}^1$

素因数の和:22007

約数の個数: 24

約数和(自身を含む): 25299162000

約数和(自身を除く): 5118304525

約数列:

[1, 5, 25, 139, 269, 695, 1345, 3475, 6725, 21589, 37391, 107945, 186955, 539725, 934775, 3000871, 5807441, 15004355, 29037205, 75021775, 145186025, 807234299, 4036171495, 20180857475]

約数ペア:

[(1, 20180857475), (5, 4036171495), (25, 807234299), (139, 145186025), (269, 75021775), (695, 29037205), (1345, 15004355), (3475, 5807441), (6725, 3000871), (21589, 934775), (37391, 539725), (107945, 186955)]