20875528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137339}}^1$

素因数の和:137364

約数の個数: 16

約数和(自身を含む): 41202000

約数和(自身を除く): 20326472

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137339, 274678, 549356, 1098712, 2609441, 5218882, 10437764, 20875528]

約数ペア:

[(1, 20875528), (2, 10437764), (4, 5218882), (8, 2609441), (19, 1098712), (38, 549356), (76, 274678), (152, 137339)]