20187959

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1330

約数の個数: 16

約数和(自身を含む): 23600160

約数和(自身を除く): 3412201

約数列:

[1, 11, 17, 89, 187, 979, 1213, 1513, 13343, 16643, 20621, 107957, 226831, 1187527, 1835269, 20187959]

約数ペア:

[(1, 20187959), (11, 1835269), (17, 1187527), (89, 226831), (187, 107957), (979, 20621), (1213, 16643), (1513, 13343)]