2097220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5519}}^1$

素因数の和:5547

約数の個数: 24

約数和(自身を含む): 4636800

約数和(自身を除く): 2539580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5519, 11038, 22076, 27595, 55190, 104861, 110380, 209722, 419444, 524305, 1048610, 2097220]

約数ペア:

[(1, 2097220), (2, 1048610), (4, 524305), (5, 419444), (10, 209722), (19, 110380), (20, 104861), (38, 55190), (76, 27595), (95, 22076), (190, 11038), (380, 5519)]