200920785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{1531}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 346942848

約数和(自身を除く): 146022063

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 673, 1531, 2019, 3365, 4593, 7655, 8749, 10095, 19903, 22965, 26247, 43745, 59709, 99515, 131235, 298545, 1030363, 3091089, 5151815, 13394719, 15455445, 40184157, 66973595, 200920785]

約数ペア:

[(1, 200920785), (3, 66973595), (5, 40184157), (13, 15455445), (15, 13394719), (39, 5151815), (65, 3091089), (195, 1030363), (673, 298545), (1531, 131235), (2019, 99515), (3365, 59709), (4593, 43745), (7655, 26247), (8749, 22965), (10095, 19903)]