20280225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{38629}}^1$

素因数の和:38649

約数の個数: 24

約数和(自身を含む): 38320960

約数和(自身を除く): 18040735

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 38629, 115887, 193145, 270403, 579435, 811209, 965725, 1352015, 2897175, 4056045, 6760075, 20280225]

約数ペア:

[(1, 20280225), (3, 6760075), (5, 4056045), (7, 2897175), (15, 1352015), (21, 965725), (25, 811209), (35, 579435), (75, 270403), (105, 193145), (175, 115887), (525, 38629)]