20528025020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6888599}}^1$

素因数の和:6888757

約数の個数: 24

約数和(自身を含む): 43398180000

約数和(自身を除く): 22870154980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6888599, 13777198, 27554396, 34442995, 68885990, 137771980, 1026401251, 2052802502, 4105605004, 5132006255, 10264012510, 20528025020]

約数ペア:

[(1, 20528025020), (2, 10264012510), (4, 5132006255), (5, 4105605004), (10, 2052802502), (20, 1026401251), (149, 137771980), (298, 68885990), (596, 34442995), (745, 27554396), (1490, 13777198), (2980, 6888599)]