20371508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6967}}^1$

素因数の和:7031

約数の個数: 24

約数和(自身を含む): 38630592

約数和(自身を除く): 18259084

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6967, 13934, 27868, 118439, 236878, 299581, 473756, 599162, 1198324, 5092877, 10185754, 20371508]

約数ペア:

[(1, 20371508), (2, 10185754), (4, 5092877), (17, 1198324), (34, 599162), (43, 473756), (68, 299581), (86, 236878), (172, 118439), (731, 27868), (1462, 13934), (2924, 6967)]