20928075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39863}}^1$

素因数の和:39883

約数の個数: 24

約数和(自身を含む): 39545088

約数和(自身を除く): 18617013

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39863, 119589, 199315, 279041, 597945, 837123, 996575, 1395205, 2989725, 4185615, 6976025, 20928075]

約数ペア:

[(1, 20928075), (3, 6976025), (5, 4185615), (7, 2989725), (15, 1395205), (21, 996575), (25, 837123), (35, 597945), (75, 279041), (105, 199315), (175, 119589), (525, 39863)]