20120778535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28140949}}^1$

素因数の和:28140978

約数の個数: 16

約数和(自身を含む): 28366077600

約数和(自身を除く): 8245299065

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28140949, 140704745, 309550439, 365832337, 1547752195, 1829161685, 4024155707, 20120778535]

約数ペア:

[(1, 20120778535), (5, 4024155707), (11, 1829161685), (13, 1547752195), (55, 365832337), (65, 309550439), (143, 140704745), (715, 28140949)]