20952105

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16829}}^1$

素因数の和:16920

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12977175

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 16829, 50487, 84145, 252435, 1396807, 4190421, 6984035, 20952105]

約数ペア:

[(1, 20952105), (3, 6984035), (5, 4190421), (15, 1396807), (83, 252435), (249, 84145), (415, 50487), (1245, 16829)]