20648710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5281}}^1$

素因数の和:5328

約数の個数: 32

約数和(自身を含む): 41072832

約数和(自身を除く): 20424122

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5281, 10562, 26405, 52810, 89777, 121463, 179554, 242926, 448885, 607315, 897770, 1214630, 2064871, 4129742, 10324355, 20648710]

約数ペア:

[(1, 20648710), (2, 10324355), (5, 4129742), (10, 2064871), (17, 1214630), (23, 897770), (34, 607315), (46, 448885), (85, 242926), (115, 179554), (170, 121463), (230, 89777), (391, 52810), (782, 26405), (1955, 10562), (3910, 5281)]