121652020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{868943}}^1$

素因数の和:868959

約数の個数: 24

約数和(自身を含む): 291965184

約数和(自身を除く): 170313164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 868943, 1737886, 3475772, 4344715, 6082601, 8689430, 12165202, 17378860, 24330404, 30413005, 60826010, 121652020]

約数ペア:

[(1, 121652020), (2, 60826010), (4, 30413005), (5, 24330404), (7, 17378860), (10, 12165202), (14, 8689430), (20, 6082601), (28, 4344715), (35, 3475772), (70, 1737886), (140, 868943)]