20854425

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 34809280

約数和(自身を除く): 13954855

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2551, 2725, 7653, 8175, 12755, 38265, 63775, 191325, 278059, 834177, 1390295, 4170885, 6951475, 20854425]

約数ペア:

[(1, 20854425), (3, 6951475), (5, 4170885), (15, 1390295), (25, 834177), (75, 278059), (109, 191325), (327, 63775), (545, 38265), (1635, 12755), (2551, 8175), (2725, 7653)]