20094580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 46347840

約数和(自身を除く): 26253260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 241, 379, 482, 758, 964, 1205, 1516, 1895, 2410, 2651, 3790, 4169, 4820, 5302, 7580, 8338, 10604, 13255, 16676, 20845, 26510, 41690, 53020, 83380, 91339, 182678, 365356, 456695, 913390, 1004729, 1826780, 2009458, 4018916, 5023645, 10047290, 20094580]

約数ペア:

[(1, 20094580), (2, 10047290), (4, 5023645), (5, 4018916), (10, 2009458), (11, 1826780), (20, 1004729), (22, 913390), (44, 456695), (55, 365356), (110, 182678), (220, 91339), (241, 83380), (379, 53020), (482, 41690), (758, 26510), (964, 20845), (1205, 16676), (1516, 13255), (1895, 10604), (2410, 8338), (2651, 7580), (3790, 5302), (4169, 4820)]