20176865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3733}}^1$

素因数の和:3808

約数の個数: 16

約数和(自身を含む): 25809408

約数和(自身を除く): 5632543

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3733, 5405, 18665, 85859, 175451, 429295, 877255, 4035373, 20176865]

約数ペア:

[(1, 20176865), (5, 4035373), (23, 877255), (47, 429295), (115, 175451), (235, 85859), (1081, 18665), (3733, 5405)]