20395852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{977}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 37954224

約数和(自身を除く): 17558372

約数列:

[1, 2, 4, 17, 34, 68, 307, 614, 977, 1228, 1954, 3908, 5219, 10438, 16609, 20876, 33218, 66436, 299939, 599878, 1199756, 5098963, 10197926, 20395852]

約数ペア:

[(1, 20395852), (2, 10197926), (4, 5098963), (17, 1199756), (34, 599878), (68, 299939), (307, 66436), (614, 33218), (977, 20876), (1228, 16609), (1954, 10438), (3908, 5219)]