20019131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 23148288

約数和(自身を除く): 3129157

約数列:

[1, 11, 23, 67, 253, 737, 1181, 1541, 12991, 16951, 27163, 79127, 298793, 870397, 1819921, 20019131]

約数ペア:

[(1, 20019131), (11, 1819921), (23, 870397), (67, 298793), (253, 79127), (737, 27163), (1181, 16951), (1541, 12991)]