20782672

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4231}}^1$

素因数の和:4546

約数の個数: 20

約数和(自身を含む): 40407136

約数和(自身を除く): 19624464

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4231, 4912, 8462, 16924, 33848, 67696, 1298917, 2597834, 5195668, 10391336, 20782672]

約数ペア:

[(1, 20782672), (2, 10391336), (4, 5195668), (8, 2597834), (16, 1298917), (307, 67696), (614, 33848), (1228, 16924), (2456, 8462), (4231, 4912)]