20375265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79903}}^1$

素因数の和:79928

約数の個数: 16

約数和(自身を含む): 34518528

約数和(自身を除く): 14143263

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79903, 239709, 399515, 1198545, 1358351, 4075053, 6791755, 20375265]

約数ペア:

[(1, 20375265), (3, 6791755), (5, 4075053), (15, 1358351), (17, 1198545), (51, 399515), (85, 239709), (255, 79903)]