20923504

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1471}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 46727168

約数和(自身を除く): 25803664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1471, 1778, 2032, 2942, 3556, 5884, 7112, 10297, 11768, 14224, 20594, 23536, 41188, 82376, 164752, 186817, 373634, 747268, 1307719, 1494536, 2615438, 2989072, 5230876, 10461752, 20923504]

約数ペア:

[(1, 20923504), (2, 10461752), (4, 5230876), (7, 2989072), (8, 2615438), (14, 1494536), (16, 1307719), (28, 747268), (56, 373634), (112, 186817), (127, 164752), (254, 82376), (508, 41188), (889, 23536), (1016, 20594), (1471, 14224), (1778, 11768), (2032, 10297), (2942, 7112), (3556, 5884)]