20005370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25981}}^1$

素因数の和:26006

約数の個数: 32

約数和(自身を含む): 44896896

約数和(自身を除く): 24891526

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25981, 51962, 129905, 181867, 259810, 285791, 363734, 571582, 909335, 1428955, 1818670, 2000537, 2857910, 4001074, 10002685, 20005370]

約数ペア:

[(1, 20005370), (2, 10002685), (5, 4001074), (7, 2857910), (10, 2000537), (11, 1818670), (14, 1428955), (22, 909335), (35, 571582), (55, 363734), (70, 285791), (77, 259810), (110, 181867), (154, 129905), (385, 51962), (770, 25981)]