20003127

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5422

約数の個数: 16

約数和(自身を含む): 28237440

約数和(自身を除く): 8234313

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5347, 16041, 155063, 229921, 465189, 689763, 6667709, 20003127]

約数ペア:

[(1, 20003127), (3, 6667709), (29, 689763), (43, 465189), (87, 229921), (129, 155063), (1247, 16041), (3741, 5347)]