20460040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10883}}^1$

素因数の和:10941

約数の個数: 32

約数和(自身を含む): 47018880

約数和(自身を除く): 26558840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10883, 21766, 43532, 54415, 87064, 108830, 217660, 435320, 511501, 1023002, 2046004, 2557505, 4092008, 5115010, 10230020, 20460040]

約数ペア:

[(1, 20460040), (2, 10230020), (4, 5115010), (5, 4092008), (8, 2557505), (10, 2046004), (20, 1023002), (40, 511501), (47, 435320), (94, 217660), (188, 108830), (235, 87064), (376, 54415), (470, 43532), (940, 21766), (1880, 10883)]