20736305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1723}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 26066880

約数和(自身を除く): 5330575

約数列:

[1, 5, 29, 83, 145, 415, 1723, 2407, 8615, 12035, 49967, 143009, 249835, 715045, 4147261, 20736305]

約数ペア:

[(1, 20736305), (5, 4147261), (29, 715045), (83, 249835), (145, 143009), (415, 49967), (1723, 12035), (2407, 8615)]