20195193

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 27420800

約数和(自身を除く): 7225607

約数列:

[1, 3, 109, 151, 327, 409, 453, 1227, 16459, 44581, 49377, 61759, 133743, 185277, 6731731, 20195193]

約数ペア:

[(1, 20195193), (3, 6731731), (109, 185277), (151, 133743), (327, 61759), (409, 49377), (453, 44581), (1227, 16459)]