20107504

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18757}}^1$

素因数の和:18832

約数の個数: 20

約数和(自身を含む): 39541864

約数和(自身を除く): 19434360

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18757, 37514, 75028, 150056, 300112, 1256719, 2513438, 5026876, 10053752, 20107504]

約数ペア:

[(1, 20107504), (2, 10053752), (4, 5026876), (8, 2513438), (16, 1256719), (67, 300112), (134, 150056), (268, 75028), (536, 37514), (1072, 18757)]