20565380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93479}}^1$

素因数の和:93499

約数の個数: 24

約数和(自身を含む): 47113920

約数和(自身を除く): 26548540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93479, 186958, 373916, 467395, 934790, 1028269, 1869580, 2056538, 4113076, 5141345, 10282690, 20565380]

約数ペア:

[(1, 20565380), (2, 10282690), (4, 5141345), (5, 4113076), (10, 2056538), (11, 1869580), (20, 1028269), (22, 934790), (44, 467395), (55, 373916), (110, 186958), (220, 93479)]