20974321

素因数分解:

${\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1356

約数の個数: 12

約数和(自身を含む): 22650880

約数和(自身を除く): 1676559

約数列:

[1, 23, 31, 529, 713, 1279, 16399, 29417, 39649, 676591, 911927, 20974321]

約数ペア:

[(1, 20974321), (23, 911927), (31, 676591), (529, 39649), (713, 29417), (1279, 16399)]