20685050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17987}}^1$

素因数の和:18022

約数の個数: 24

約数和(自身を含む): 40149216

約数和(自身を除く): 19464166

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17987, 35974, 89935, 179870, 413701, 449675, 827402, 899350, 2068505, 4137010, 10342525, 20685050]

約数ペア:

[(1, 20685050), (2, 10342525), (5, 4137010), (10, 2068505), (23, 899350), (25, 827402), (46, 449675), (50, 413701), (115, 179870), (230, 89935), (575, 35974), (1150, 17987)]