20218354325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{62210321}}^1$

素因数の和:62210344

約数の個数: 12

約数和(自身を含む): 26999279748

約数和(自身を除く): 6780925423

約数列:

[1, 5, 13, 25, 65, 325, 62210321, 311051605, 808734173, 1555258025, 4043670865, 20218354325]

約数ペア:

[(1, 20218354325), (5, 4043670865), (13, 1555258025), (25, 808734173), (65, 311051605), (325, 62210321)]