20932220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14741}}^1$

素因数の和:14821

約数の個数: 24

約数和(自身を含む): 44579808

約数和(自身を除く): 23647588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14741, 29482, 58964, 73705, 147410, 294820, 1046611, 2093222, 4186444, 5233055, 10466110, 20932220]

約数ペア:

[(1, 20932220), (2, 10466110), (4, 5233055), (5, 4186444), (10, 2093222), (20, 1046611), (71, 294820), (142, 147410), (284, 73705), (355, 58964), (710, 29482), (1420, 14741)]