20850825

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1607}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 34694208

約数和(自身を除く): 13843383

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 1607, 2595, 4325, 4821, 8035, 12975, 24105, 40175, 120525, 278011, 834033, 1390055, 4170165, 6950275, 20850825]

約数ペア:

[(1, 20850825), (3, 6950275), (5, 4170165), (15, 1390055), (25, 834033), (75, 278011), (173, 120525), (519, 40175), (865, 24105), (1607, 12975), (2595, 8035), (4325, 4821)]