20565902439

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{562417}}^1$

素因数の和:562679

約数の個数: 24

約数和(自身を含む): 31585394880

約数和(自身を除く): 11019492441

約数列:

[1, 3, 9, 17, 51, 153, 239, 717, 2151, 4063, 12189, 36567, 562417, 1687251, 5061753, 9561089, 28683267, 86049801, 134417663, 403252989, 1209758967, 2285100271, 6855300813, 20565902439]

約数ペア:

[(1, 20565902439), (3, 6855300813), (9, 2285100271), (17, 1209758967), (51, 403252989), (153, 134417663), (239, 86049801), (717, 28683267), (2151, 9561089), (4063, 5061753), (12189, 1687251), (36567, 562417)]