20835315

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2399}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 36316800

約数和(自身を除く): 15481485

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2399, 2895, 7197, 8685, 11995, 21591, 35985, 107955, 463007, 1389021, 2315035, 4167063, 6945105, 20835315]

約数ペア:

[(1, 20835315), (3, 6945105), (5, 4167063), (9, 2315035), (15, 1389021), (45, 463007), (193, 107955), (579, 35985), (965, 21591), (1737, 11995), (2399, 8685), (2895, 7197)]