20158568

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7019}}^1$

素因数の和:7384

約数の個数: 16

約数和(自身を含む): 37908000

約数和(自身を除く): 17749432

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7019, 14038, 28076, 56152, 2519821, 5039642, 10079284, 20158568]

約数ペア:

[(1, 20158568), (2, 10079284), (4, 5039642), (8, 2519821), (359, 56152), (718, 28076), (1436, 14038), (2872, 7019)]