20984475

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{3371}}^1$

素因数の和:3467

約数の個数: 24

約数和(自身を含む): 35122752

約数和(自身を除く): 14138277

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 3371, 6225, 10113, 16855, 50565, 84275, 252825, 279793, 839379, 1398965, 4196895, 6994825, 20984475]

約数ペア:

[(1, 20984475), (3, 6994825), (5, 4196895), (15, 1398965), (25, 839379), (75, 279793), (83, 252825), (249, 84275), (415, 50565), (1245, 16855), (2075, 10113), (3371, 6225)]