20782752438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{494827439}}^1$

素因数の和:494827451

約数の個数: 16

約数和(自身を含む): 47503434240

約数和(自身を除く): 26720681802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 494827439, 989654878, 1484482317, 2968964634, 3463792073, 6927584146, 10391376219, 20782752438]

約数ペア:

[(1, 20782752438), (2, 10391376219), (3, 6927584146), (6, 3463792073), (7, 2968964634), (14, 1484482317), (21, 989654878), (42, 494827439)]