20402025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{38861}}^1$

素因数の和:38881

約数の個数: 24

約数和(自身を含む): 38551104

約数和(自身を除く): 18149079

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 38861, 116583, 194305, 272027, 582915, 816081, 971525, 1360135, 2914575, 4080405, 6800675, 20402025]

約数ペア:

[(1, 20402025), (3, 6800675), (5, 4080405), (7, 2914575), (15, 1360135), (21, 971525), (25, 816081), (35, 582915), (75, 272027), (105, 194305), (175, 116583), (525, 38861)]