20148030721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{799303}}^1$

素因数の和:799600

約数の個数: 16

約数和(自身を含む): 24887129344

約数和(自身を除く): 4739098623

約数列:

[1, 7, 13, 91, 277, 1939, 3601, 25207, 799303, 5595121, 10390939, 72736573, 221406931, 1549848517, 2878290103, 20148030721]

約数ペア:

[(1, 20148030721), (7, 2878290103), (13, 1549848517), (91, 221406931), (277, 72736573), (1939, 10390939), (3601, 5595121), (25207, 799303)]