20191145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5861}}^1$

素因数の和:5932

約数の個数: 16

約数和(自身を含む): 26590032

約数和(自身を除く): 6398887

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 5861, 29305, 76193, 310633, 380965, 1553165, 4038229, 20191145]

約数ペア:

[(1, 20191145), (5, 4038229), (13, 1553165), (53, 380965), (65, 310633), (265, 76193), (689, 29305), (3445, 5861)]