20257713

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6067}}^1$

素因数の和:6133

約数の個数: 24

約数和(自身を含む): 34077888

約数和(自身を除く): 13820175

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6067, 18201, 42469, 54603, 127407, 321551, 382221, 964653, 2250857, 2893959, 6752571, 20257713]

約数ペア:

[(1, 20257713), (3, 6752571), (7, 2893959), (9, 2250857), (21, 964653), (53, 382221), (63, 321551), (159, 127407), (371, 54603), (477, 42469), (1113, 18201), (3339, 6067)]