20598903

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:528

約数の個数: 36

約数和(自身を含む): 33401160

約数和(自身を除く): 12802257

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 169, 261, 377, 467, 507, 1131, 1401, 1521, 3393, 4203, 4901, 6071, 13543, 14703, 18213, 40629, 44109, 54639, 78923, 121887, 176059, 236769, 528177, 710307, 1584531, 2288767, 6866301, 20598903]

約数ペア:

[(1, 20598903), (3, 6866301), (9, 2288767), (13, 1584531), (29, 710307), (39, 528177), (87, 236769), (117, 176059), (169, 121887), (261, 78923), (377, 54639), (467, 44109), (507, 40629), (1131, 18213), (1401, 14703), (1521, 13543), (3393, 6071), (4203, 4901)]