20136431

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 24181248

約数和(自身を除く): 4044817

約数列:

[1, 7, 23, 161, 181, 691, 1267, 4163, 4837, 15893, 29141, 111251, 125071, 875497, 2876633, 20136431]

約数ペア:

[(1, 20136431), (7, 2876633), (23, 875497), (161, 125071), (181, 111251), (691, 29141), (1267, 15893), (4163, 4837)]