20805804

素因数分解:

$2^2\times 3^2\times {\mathrm{577939}}^1$

素因数の和:577949

約数の個数: 18

約数和(自身を含む): 52592540

約数和(自身を除く): 31786736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577939, 1155878, 1733817, 2311756, 3467634, 5201451, 6935268, 10402902, 20805804]

約数ペア:

[(1, 20805804), (2, 10402902), (3, 6935268), (4, 5201451), (6, 3467634), (9, 2311756), (12, 1733817), (18, 1155878), (36, 577939)]