20179142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{4259}}^1$

素因数の和:4387

約数の個数: 16

約数和(自身を含む): 31898880

約数和(自身を除く): 11719738

約数列:

[1, 2, 23, 46, 103, 206, 2369, 4259, 4738, 8518, 97957, 195914, 438677, 877354, 10089571, 20179142]

約数ペア:

[(1, 20179142), (2, 10089571), (23, 877354), (46, 438677), (103, 195914), (206, 97957), (2369, 8518), (4259, 4738)]