20259719

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 2117881

約数列:

[1, 19, 29, 83, 443, 551, 1577, 2407, 8417, 12847, 36769, 45733, 244093, 698611, 1066301, 20259719]

約数ペア:

[(1, 20259719), (19, 1066301), (29, 698611), (83, 244093), (443, 45733), (551, 36769), (1577, 12847), (2407, 8417)]