20679550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6173}}^1$

素因数の和:6252

約数の個数: 24

約数和(自身を含む): 39044376

約数和(自身を除く): 18364826

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6173, 12346, 30865, 61730, 154325, 308650, 413591, 827182, 2067955, 4135910, 10339775, 20679550]

約数ペア:

[(1, 20679550), (2, 10339775), (5, 4135910), (10, 2067955), (25, 827182), (50, 413591), (67, 308650), (134, 154325), (335, 61730), (670, 30865), (1675, 12346), (3350, 6173)]