20358351

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1924

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13187889

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 1871, 3627, 5613, 10881, 16839, 24323, 50517, 58001, 72969, 174003, 218907, 522009, 656721, 754013, 1566027, 2262039, 6786117, 20358351]

約数ペア:

[(1, 20358351), (3, 6786117), (9, 2262039), (13, 1566027), (27, 754013), (31, 656721), (39, 522009), (93, 218907), (117, 174003), (279, 72969), (351, 58001), (403, 50517), (837, 24323), (1209, 16839), (1871, 10881), (3627, 5613)]