20851050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12637}}^1$

素因数の和:12663

約数の個数: 48

約数和(自身を含む): 56416032

約数和(自身を除く): 35564982

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12637, 25274, 37911, 63185, 75822, 126370, 139007, 189555, 278014, 315925, 379110, 417021, 631850, 695035, 834042, 947775, 1390070, 1895550, 2085105, 3475175, 4170210, 6950350, 10425525, 20851050]

約数ペア:

[(1, 20851050), (2, 10425525), (3, 6950350), (5, 4170210), (6, 3475175), (10, 2085105), (11, 1895550), (15, 1390070), (22, 947775), (25, 834042), (30, 695035), (33, 631850), (50, 417021), (55, 379110), (66, 315925), (75, 278014), (110, 189555), (150, 139007), (165, 126370), (275, 75822), (330, 63185), (550, 37911), (825, 25274), (1650, 12637)]