20833879

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 12

約数和(自身を含む): 23151960

約数和(自身を除く): 2318081

約数列:

[1, 11, 61, 509, 671, 3721, 5599, 31049, 40931, 341539, 1893989, 20833879]

約数ペア:

[(1, 20833879), (11, 1893989), (61, 341539), (509, 40931), (671, 31049), (3721, 5599)]