20998624

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{3331}}^1$

素因数の和:3538

約数の個数: 24

約数和(自身を含む): 41563368

約数和(自身を除く): 20564744

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 3331, 6304, 6662, 13324, 26648, 53296, 106592, 656207, 1312414, 2624828, 5249656, 10499312, 20998624]

約数ペア:

[(1, 20998624), (2, 10499312), (4, 5249656), (8, 2624828), (16, 1312414), (32, 656207), (197, 106592), (394, 53296), (788, 26648), (1576, 13324), (3152, 6662), (3331, 6304)]