20144397

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 33401088

約数和(自身を除く): 13256691

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 653, 791, 1469, 1959, 2373, 4407, 4571, 8489, 10283, 13713, 25467, 30849, 59423, 73789, 178269, 221367, 516523, 959257, 1549569, 2877771, 6714799, 20144397]

約数ペア:

[(1, 20144397), (3, 6714799), (7, 2877771), (13, 1549569), (21, 959257), (39, 516523), (91, 221367), (113, 178269), (273, 73789), (339, 59423), (653, 30849), (791, 25467), (1469, 13713), (1959, 10283), (2373, 8489), (4407, 4571)]