20123175

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3779}}^1$

素因数の和:3863

約数の個数: 24

約数和(自身を含む): 33747840

約数和(自身を除く): 13624665

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 3779, 5325, 11337, 18895, 56685, 94475, 268309, 283425, 804927, 1341545, 4024635, 6707725, 20123175]

約数ペア:

[(1, 20123175), (3, 6707725), (5, 4024635), (15, 1341545), (25, 804927), (71, 283425), (75, 268309), (213, 94475), (355, 56685), (1065, 18895), (1775, 11337), (3779, 5325)]