20317528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{32983}}^1$

素因数の和:33007

約数の個数: 32

約数和(自身を含む): 47496960

約数和(自身を除く): 27179432

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 32983, 65966, 131932, 230881, 263864, 362813, 461762, 725626, 923524, 1451252, 1847048, 2539691, 2902504, 5079382, 10158764, 20317528]

約数ペア:

[(1, 20317528), (2, 10158764), (4, 5079382), (7, 2902504), (8, 2539691), (11, 1847048), (14, 1451252), (22, 923524), (28, 725626), (44, 461762), (56, 362813), (77, 263864), (88, 230881), (154, 131932), (308, 65966), (616, 32983)]