20850876

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5413}}^1$

素因数の和:5530

約数の個数: 36

約数和(自身を含む): 53208792

約数和(自身を除く): 32357916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5413, 10826, 16239, 21652, 32478, 48717, 64956, 97434, 194868, 579191, 1158382, 1737573, 2316764, 3475146, 5212719, 6950292, 10425438, 20850876]

約数ペア:

[(1, 20850876), (2, 10425438), (3, 6950292), (4, 5212719), (6, 3475146), (9, 2316764), (12, 1737573), (18, 1158382), (36, 579191), (107, 194868), (214, 97434), (321, 64956), (428, 48717), (642, 32478), (963, 21652), (1284, 16239), (1926, 10826), (3852, 5413)]