20468170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120401}}^1$

素因数の和:120425

約数の個数: 16

約数和(自身を含む): 39010248

約数和(自身を除く): 18542078

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120401, 240802, 602005, 1204010, 2046817, 4093634, 10234085, 20468170]

約数ペア:

[(1, 20468170), (2, 10234085), (5, 4093634), (10, 2046817), (17, 1204010), (34, 602005), (85, 240802), (170, 120401)]