20196951

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 27385824

約数和(自身を除く): 7188873

約数列:

[1, 3, 137, 157, 313, 411, 471, 939, 21509, 42881, 49141, 64527, 128643, 147423, 6732317, 20196951]

約数ペア:

[(1, 20196951), (3, 6732317), (137, 147423), (157, 128643), (313, 64527), (411, 49141), (471, 42881), (939, 21509)]