20173645

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 26878464

約数和(自身を除く): 6704819

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 607, 1445, 1955, 3035, 6647, 10319, 13961, 33235, 51595, 69805, 175423, 237337, 877115, 1186685, 4034729, 20173645]

約数ペア:

[(1, 20173645), (5, 4034729), (17, 1186685), (23, 877115), (85, 237337), (115, 175423), (289, 69805), (391, 51595), (607, 33235), (1445, 13961), (1955, 10319), (3035, 6647)]