20237997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9791}}^1$

素因数の和:9860

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 9373011

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9791, 29373, 127283, 381849, 518923, 1556769, 6745999, 20237997]

約数ペア:

[(1, 20237997), (3, 6745999), (13, 1556769), (39, 518923), (53, 381849), (159, 127283), (689, 29373), (2067, 9791)]