20346825

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3821}}^1$

素因数の和:3905

約数の個数: 24

約数和(自身を含む): 34122816

約数和(自身を除く): 13775991

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 3821, 5325, 11463, 19105, 57315, 95525, 271291, 286575, 813873, 1356455, 4069365, 6782275, 20346825]

約数ペア:

[(1, 20346825), (3, 6782275), (5, 4069365), (15, 1356455), (25, 813873), (71, 286575), (75, 271291), (213, 95525), (355, 57315), (1065, 19105), (1775, 11463), (3821, 5325)]