20740695

素因数分解:

$3^1\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1621}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 33244512

約数和(自身を除く): 12503817

約数列:

[1, 3, 5, 15, 853, 1621, 2559, 4265, 4863, 8105, 12795, 24315, 1382713, 4148139, 6913565, 20740695]

約数ペア:

[(1, 20740695), (3, 6913565), (5, 4148139), (15, 1382713), (853, 24315), (1621, 12795), (2559, 8105), (4265, 4863)]