20601639

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 31484544

約数和(自身を除く): 10882905

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 1801, 3813, 5403, 11439, 16209, 55831, 73841, 167493, 221523, 502479, 664569, 2289071, 6867213, 20601639]

約数ペア:

[(1, 20601639), (3, 6867213), (9, 2289071), (31, 664569), (41, 502479), (93, 221523), (123, 167493), (279, 73841), (369, 55831), (1271, 16209), (1801, 11439), (3813, 5403)]