20340455

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 25444800

約数和(自身を除く): 5104345

約数列:

[1, 5, 29, 145, 151, 755, 929, 4379, 4645, 21895, 26941, 134705, 140279, 701395, 4068091, 20340455]

約数ペア:

[(1, 20340455), (5, 4068091), (29, 701395), (145, 140279), (151, 134705), (755, 26941), (929, 21895), (4379, 4645)]