20793330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{499}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 54288000

約数和(自身を除く): 33494670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 463, 499, 926, 998, 1389, 1497, 2315, 2495, 2778, 2994, 4167, 4491, 4630, 4990, 6945, 7485, 8334, 8982, 13890, 14970, 20835, 22455, 41670, 44910, 231037, 462074, 693111, 1155185, 1386222, 2079333, 2310370, 3465555, 4158666, 6931110, 10396665, 20793330]

約数ペア:

[(1, 20793330), (2, 10396665), (3, 6931110), (5, 4158666), (6, 3465555), (9, 2310370), (10, 2079333), (15, 1386222), (18, 1155185), (30, 693111), (45, 462074), (90, 231037), (463, 44910), (499, 41670), (926, 22455), (998, 20835), (1389, 14970), (1497, 13890), (2315, 8982), (2495, 8334), (2778, 7485), (2994, 6945), (4167, 4990), (4491, 4630)]