20097765

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14407}}^1$

素因数の和:14449

約数の個数: 24

約数和(自身を含む): 35962368

約数和(自身を除く): 15864603

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14407, 43221, 72035, 129663, 216105, 446617, 648315, 1339851, 2233085, 4019553, 6699255, 20097765]

約数ペア:

[(1, 20097765), (3, 6699255), (5, 4019553), (9, 2233085), (15, 1339851), (31, 648315), (45, 446617), (93, 216105), (155, 129663), (279, 72035), (465, 43221), (1395, 14407)]