20178584

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47591}}^1$

素因数の和:47650

約数の個数: 16

約数和(自身を含む): 38549520

約数和(自身を除く): 18370936

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47591, 95182, 190364, 380728, 2522323, 5044646, 10089292, 20178584]

約数ペア:

[(1, 20178584), (2, 10089292), (4, 5044646), (8, 2522323), (53, 380728), (106, 190364), (212, 95182), (424, 47591)]