20180989945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1960271}}^1$

素因数の和:1960376

約数の個数: 16

約数和(自身を含む): 25405125120

約数和(自身を除く): 5224135175

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 1960271, 9801355, 56847859, 139179241, 284239295, 695896205, 4036197989, 20180989945]

約数ペア:

[(1, 20180989945), (5, 4036197989), (29, 695896205), (71, 284239295), (145, 139179241), (355, 56847859), (2059, 9801355), (10295, 1960271)]