20937225

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{2609}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 34953120

約数和(自身を除く): 14015895

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1605, 2609, 2675, 7827, 8025, 13045, 39135, 65225, 195675, 279163, 837489, 1395815, 4187445, 6979075, 20937225]

約数ペア:

[(1, 20937225), (3, 6979075), (5, 4187445), (15, 1395815), (25, 837489), (75, 279163), (107, 195675), (321, 65225), (535, 39135), (1605, 13045), (2609, 8025), (2675, 7827)]