20607268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42577}}^1$

素因数の和:42603

約数の個数: 18

約数和(自身を含む): 39640118

約数和(自身を除く): 19032850

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42577, 85154, 170308, 468347, 936694, 1873388, 5151817, 10303634, 20607268]

約数ペア:

[(1, 20607268), (2, 10303634), (4, 5151817), (11, 1873388), (22, 936694), (44, 468347), (121, 170308), (242, 85154), (484, 42577)]