20912337

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 32104800

約数和(自身を除く): 11192463

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 2099, 3321, 6297, 9963, 18891, 56673, 86059, 170019, 258177, 510057, 774531, 2323593, 6970779, 20912337]

約数ペア:

[(1, 20912337), (3, 6970779), (9, 2323593), (27, 774531), (41, 510057), (81, 258177), (123, 170019), (243, 86059), (369, 56673), (1107, 18891), (2099, 9963), (3321, 6297)]