20512876790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2901397}}^1$

素因数の和:2901512

約数の個数: 32

約数和(自身を含む): 42615733824

約数和(自身を除く): 22102857034

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 2901397, 5802794, 14506985, 20309779, 29013970, 40619558, 101548895, 203097790, 293041097, 586082194, 1465205485, 2051287679, 2930410970, 4102575358, 10256438395, 20512876790]

約数ペア:

[(1, 20512876790), (2, 10256438395), (5, 4102575358), (7, 2930410970), (10, 2051287679), (14, 1465205485), (35, 586082194), (70, 293041097), (101, 203097790), (202, 101548895), (505, 40619558), (707, 29013970), (1010, 20309779), (1414, 14506985), (3535, 5802794), (7070, 2901397)]