20348188

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9199}}^1$

素因数の和:9289

約数の個数: 24

約数和(自身を含む): 41216000

約数和(自身を除く): 20867812

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9199, 18398, 36796, 64393, 128786, 257572, 726721, 1453442, 2906884, 5087047, 10174094, 20348188]

約数ペア:

[(1, 20348188), (2, 10174094), (4, 5087047), (7, 2906884), (14, 1453442), (28, 726721), (79, 257572), (158, 128786), (316, 64393), (553, 36796), (1106, 18398), (2212, 9199)]