20742225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39509}}^1$

素因数の和:39529

約数の個数: 24

約数和(自身を含む): 39193920

約数和(自身を除く): 18451695

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39509, 118527, 197545, 276563, 592635, 829689, 987725, 1382815, 2963175, 4148445, 6914075, 20742225]

約数ペア:

[(1, 20742225), (3, 6914075), (5, 4148445), (7, 2963175), (15, 1382815), (21, 987725), (25, 829689), (35, 592635), (75, 276563), (105, 197545), (175, 118527), (525, 39509)]