20660025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5861}}^1$

素因数の和:5921

約数の個数: 24

約数和(自身を含む): 34890624

約数和(自身を除く): 14230599

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5861, 17583, 29305, 87915, 146525, 275467, 439575, 826401, 1377335, 4132005, 6886675, 20660025]

約数ペア:

[(1, 20660025), (3, 6886675), (5, 4132005), (15, 1377335), (25, 826401), (47, 439575), (75, 275467), (141, 146525), (235, 87915), (705, 29305), (1175, 17583), (3525, 5861)]