16638020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{118843}}^1$

素因数の和:118859

約数の個数: 24

約数和(自身を含む): 39931584

約数和(自身を除く): 23293564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 118843, 237686, 475372, 594215, 831901, 1188430, 1663802, 2376860, 3327604, 4159505, 8319010, 16638020]

約数ペア:

[(1, 16638020), (2, 8319010), (4, 4159505), (5, 3327604), (7, 2376860), (10, 1663802), (14, 1188430), (20, 831901), (28, 594215), (35, 475372), (70, 237686), (140, 118843)]