20806630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5519}}^1$

素因数の和:5568

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 20924570

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5519, 11038, 27595, 55190, 71747, 143494, 160051, 320102, 358735, 717470, 800255, 1600510, 2080663, 4161326, 10403315, 20806630]

約数ペア:

[(1, 20806630), (2, 10403315), (5, 4161326), (10, 2080663), (13, 1600510), (26, 800255), (29, 717470), (58, 358735), (65, 320102), (130, 160051), (145, 143494), (290, 71747), (377, 55190), (754, 27595), (1885, 11038), (3770, 5519)]