20870672

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10271}}^1$

素因数の和:10406

約数の個数: 20

約数和(自身を含む): 40759296

約数和(自身を除く): 19888624

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10271, 20542, 41084, 82168, 164336, 1304417, 2608834, 5217668, 10435336, 20870672]

約数ペア:

[(1, 20870672), (2, 10435336), (4, 5217668), (8, 2608834), (16, 1304417), (127, 164336), (254, 82168), (508, 41084), (1016, 20542), (2032, 10271)]