20417560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22193}}^1$

素因数の和:22227

約数の個数: 32

約数和(自身を含む): 47939040

約数和(自身を除く): 27521480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22193, 44386, 88772, 110965, 177544, 221930, 443860, 510439, 887720, 1020878, 2041756, 2552195, 4083512, 5104390, 10208780, 20417560]

約数ペア:

[(1, 20417560), (2, 10208780), (4, 5104390), (5, 4083512), (8, 2552195), (10, 2041756), (20, 1020878), (23, 887720), (40, 510439), (46, 443860), (92, 221930), (115, 177544), (184, 110965), (230, 88772), (460, 44386), (920, 22193)]