4020995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2566

約数の個数: 16

約数和(自身を含む): 5447520

約数和(自身を除く): 1426525

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 2521, 12605, 27731, 73109, 138655, 365545, 804199, 4020995]

約数ペア:

[(1, 4020995), (5, 804199), (11, 365545), (29, 138655), (55, 73109), (145, 27731), (319, 12605), (1595, 2521)]