20407870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6203}}^1$

素因数の和:6264

約数の個数: 32

約数和(自身を含む): 42882048

約数和(自身を除く): 22474178

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6203, 12406, 31015, 43421, 62030, 86842, 217105, 291541, 434210, 583082, 1457705, 2040787, 2915410, 4081574, 10203935, 20407870]

約数ペア:

[(1, 20407870), (2, 10203935), (5, 4081574), (7, 2915410), (10, 2040787), (14, 1457705), (35, 583082), (47, 434210), (70, 291541), (94, 217105), (235, 86842), (329, 62030), (470, 43421), (658, 31015), (1645, 12406), (3290, 6203)]