20683665

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14827}}^1$

素因数の和:14869

約数の個数: 24

約数和(自身を含む): 37010688

約数和(自身を除く): 16327023

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14827, 44481, 74135, 133443, 222405, 459637, 667215, 1378911, 2298185, 4136733, 6894555, 20683665]

約数ペア:

[(1, 20683665), (3, 6894555), (5, 4136733), (9, 2298185), (15, 1378911), (31, 667215), (45, 459637), (93, 222405), (155, 133443), (279, 74135), (465, 44481), (1395, 14827)]