20931127

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4483}}^1$

素因数の和:4542

約数の個数: 16

約数和(自身を含む): 25827840

約数和(自身を除く): 4896713

約数列:

[1, 7, 23, 29, 161, 203, 667, 4483, 4669, 31381, 103109, 130007, 721763, 910049, 2990161, 20931127]

約数ペア:

[(1, 20931127), (7, 2990161), (23, 910049), (29, 721763), (161, 130007), (203, 103109), (667, 31381), (4483, 4669)]