20021223

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13537}}^1$

素因数の和:13586

約数の個数: 16

約数和(自身を含む): 29242080

約数和(自身を除く): 9220857

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 13537, 40611, 230129, 392573, 690387, 1177719, 6673741, 20021223]

約数ペア:

[(1, 20021223), (3, 6673741), (17, 1177719), (29, 690387), (51, 392573), (87, 230129), (493, 40611), (1479, 13537)]