20400801

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{769}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 28089600

約数和(自身を除く): 7688799

約数列:

[1, 3, 37, 111, 239, 717, 769, 2307, 8843, 26529, 28453, 85359, 183791, 551373, 6800267, 20400801]

約数ペア:

[(1, 20400801), (3, 6800267), (37, 551373), (111, 183791), (239, 85359), (717, 28453), (769, 26529), (2307, 8843)]