20452340

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3331}}^1$

素因数の和:3647

約数の個数: 24

約数和(自身を含む): 43102752

約数和(自身を除く): 22650412

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3331, 6140, 6662, 13324, 16655, 33310, 66620, 1022617, 2045234, 4090468, 5113085, 10226170, 20452340]

約数ペア:

[(1, 20452340), (2, 10226170), (4, 5113085), (5, 4090468), (10, 2045234), (20, 1022617), (307, 66620), (614, 33310), (1228, 16655), (1535, 13324), (3070, 6662), (3331, 6140)]