20047621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 22534848

約数和(自身を除く): 2487227

約数列:

[1, 11, 53, 137, 251, 583, 1507, 2761, 7261, 13303, 34387, 79871, 146333, 378257, 1822511, 20047621]

約数ペア:

[(1, 20047621), (11, 1822511), (53, 378257), (137, 146333), (251, 79871), (583, 34387), (1507, 13303), (2761, 7261)]