20999856

素因数分解:

$2^4\times 3^1\times {\mathrm{437497}}^1$

素因数の和:437508

約数の個数: 20

約数和(自身を含む): 54249752

約数和(自身を除く): 33249896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437497, 874994, 1312491, 1749988, 2624982, 3499976, 5249964, 6999952, 10499928, 20999856]

約数ペア:

[(1, 20999856), (2, 10499928), (3, 6999952), (4, 5249964), (6, 3499976), (8, 2624982), (12, 1749988), (16, 1312491), (24, 874994), (48, 437497)]