20836870

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4973}}^1$

素因数の和:5399

約数の個数: 16

約数和(自身を含む): 37603440

約数和(自身を除く): 16766570

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4973, 9946, 24865, 49730, 2083687, 4167374, 10418435, 20836870]

約数ペア:

[(1, 20836870), (2, 10418435), (5, 4167374), (10, 2083687), (419, 49730), (838, 24865), (2095, 9946), (4190, 4973)]