20537631

素因数分解:

$3^5\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 30983680

約数和(自身を除く): 10446049

約数列:

[1, 3, 9, 27, 81, 223, 243, 379, 669, 1137, 2007, 3411, 6021, 10233, 18063, 30699, 54189, 84517, 92097, 253551, 760653, 2281959, 6845877, 20537631]

約数ペア:

[(1, 20537631), (3, 6845877), (9, 2281959), (27, 760653), (81, 253551), (223, 92097), (243, 84517), (379, 54189), (669, 30699), (1137, 18063), (2007, 10233), (3411, 6021)]