20068490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154373}}^1$

素因数の和:154393

約数の個数: 16

約数和(自身を含む): 38902248

約数和(自身を除く): 18833758

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154373, 308746, 771865, 1543730, 2006849, 4013698, 10034245, 20068490]

約数ペア:

[(1, 20068490), (2, 10034245), (5, 4013698), (10, 2006849), (13, 1543730), (26, 771865), (65, 308746), (130, 154373)]