7920468

素因数分解:

$2^2\times 3^2\times {\mathrm{220013}}^1$

素因数の和:220023

約数の個数: 18

約数和(自身を含む): 20021274

約数和(自身を除く): 12100806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 220013, 440026, 660039, 880052, 1320078, 1980117, 2640156, 3960234, 7920468]

約数ペア:

[(1, 7920468), (2, 3960234), (3, 2640156), (4, 1980117), (6, 1320078), (9, 880052), (12, 660039), (18, 440026), (36, 220013)]