20915037

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5417}}^1$

素因数の和:5450

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 15493923

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5417, 16251, 48753, 59587, 70421, 146259, 178761, 211263, 536283, 633789, 774631, 1608849, 1901367, 2323893, 6971679, 20915037]

約数ペア:

[(1, 20915037), (3, 6971679), (9, 2323893), (11, 1901367), (13, 1608849), (27, 774631), (33, 633789), (39, 536283), (99, 211263), (117, 178761), (143, 146259), (297, 70421), (351, 59587), (429, 48753), (1287, 16251), (3861, 5417)]