2019889420

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{46349}}^1$

素因数の和:48537

約数の個数: 24

約数和(自身を含む): 4243806000

約数和(自身を除く): 2223916580

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 8716, 10895, 21790, 43580, 46349, 92698, 185396, 231745, 463490, 926980, 100994471, 201988942, 403977884, 504972355, 1009944710, 2019889420]

約数ペア:

[(1, 2019889420), (2, 1009944710), (4, 504972355), (5, 403977884), (10, 201988942), (20, 100994471), (2179, 926980), (4358, 463490), (8716, 231745), (10895, 185396), (21790, 92698), (43580, 46349)]