20559039

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 27955200

約数和(自身を除く): 7396161

約数列:

[1, 3, 79, 223, 237, 389, 669, 1167, 17617, 30731, 52851, 86747, 92193, 260241, 6853013, 20559039]

約数ペア:

[(1, 20559039), (3, 6853013), (79, 260241), (223, 92193), (237, 86747), (389, 52851), (669, 30731), (1167, 17617)]