20059790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64709}}^1$

素因数の和:64747

約数の個数: 16

約数和(自身を含む): 37272960

約数和(自身を除く): 17213170

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 64709, 129418, 323545, 647090, 2005979, 4011958, 10029895, 20059790]

約数ペア:

[(1, 20059790), (2, 10029895), (5, 4011958), (10, 2005979), (31, 647090), (62, 323545), (155, 129418), (310, 64709)]