20781474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5101}}^1$

素因数の和:5210

約数の個数: 32

約数和(自身を含む): 47999616

約数和(自身を除く): 27218142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 5101, 10202, 15303, 30606, 35707, 71414, 107121, 214242, 494797, 989594, 1484391, 2968782, 3463579, 6927158, 10390737, 20781474]

約数ペア:

[(1, 20781474), (2, 10390737), (3, 6927158), (6, 3463579), (7, 2968782), (14, 1484391), (21, 989594), (42, 494797), (97, 214242), (194, 107121), (291, 71414), (582, 35707), (679, 30606), (1358, 15303), (2037, 10202), (4074, 5101)]