20690650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10093}}^1$

素因数の和:10146

約数の個数: 24

約数和(自身を含む): 39427164

約数和(自身を除く): 18736514

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10093, 20186, 50465, 100930, 252325, 413813, 504650, 827626, 2069065, 4138130, 10345325, 20690650]

約数ペア:

[(1, 20690650), (2, 10345325), (5, 4138130), (10, 2069065), (25, 827626), (41, 504650), (50, 413813), (82, 252325), (205, 100930), (410, 50465), (1025, 20186), (2050, 10093)]