20998545

素因数分解:

$3^1\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1811}}^1$

素因数の和:2592

約数の個数: 16

約数和(自身を含む): 33659712

約数和(自身を除く): 12661167

約数列:

[1, 3, 5, 15, 773, 1811, 2319, 3865, 5433, 9055, 11595, 27165, 1399903, 4199709, 6999515, 20998545]

約数ペア:

[(1, 20998545), (3, 6999515), (5, 4199709), (15, 1399903), (773, 27165), (1811, 11595), (2319, 9055), (3865, 5433)]