20437745

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{593}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 25190352

約数和(自身を除く): 4752607

約数列:

[1, 5, 61, 113, 305, 565, 593, 2965, 6893, 34465, 36173, 67009, 180865, 335045, 4087549, 20437745]

約数ペア:

[(1, 20437745), (5, 4087549), (61, 335045), (113, 180865), (305, 67009), (565, 36173), (593, 34465), (2965, 6893)]