20142785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5984575

約数列:

[1, 5, 13, 65, 431, 719, 2155, 3595, 5603, 9347, 28015, 46735, 309889, 1549445, 4028557, 20142785]

約数ペア:

[(1, 20142785), (5, 4028557), (13, 1549445), (65, 309889), (431, 46735), (719, 28015), (2155, 9347), (3595, 5603)]