20687557255

素因数分解:

$5^1\times {\mathrm{419}}^1\times {\mathrm{769}}^1\times {\mathrm{12841}}^1$

素因数の和:14034

約数の個数: 16

約数和(自身を含む): 24918616800

約数和(自身を除く): 4231059545

約数列:

[1, 5, 419, 769, 2095, 3845, 12841, 64205, 322211, 1611055, 5380379, 9874729, 26901895, 49373645, 4137511451, 20687557255]

約数ペア:

[(1, 20687557255), (5, 4137511451), (419, 49373645), (769, 26901895), (2095, 9874729), (3845, 5380379), (12841, 1611055), (64205, 322211)]