20300715

素因数分解:

$3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1103}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 35305920

約数和(自身を除く): 15005205

約数列:

[1, 3, 5, 9, 15, 45, 409, 1103, 1227, 2045, 3309, 3681, 5515, 6135, 9927, 16545, 18405, 49635, 451127, 1353381, 2255635, 4060143, 6766905, 20300715]

約数ペア:

[(1, 20300715), (3, 6766905), (5, 4060143), (9, 2255635), (15, 1353381), (45, 451127), (409, 49635), (1103, 18405), (1227, 16545), (2045, 9927), (3309, 6135), (3681, 5515)]