20806605

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6701}}^1$

素因数の和:6738

約数の個数: 32

約数和(自身を含む): 38603520

約数和(自身を除く): 17796915

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6701, 20103, 33505, 60309, 100515, 154123, 180927, 301545, 462369, 770615, 904635, 1387107, 2311845, 4161321, 6935535, 20806605]

約数ペア:

[(1, 20806605), (3, 6935535), (5, 4161321), (9, 2311845), (15, 1387107), (23, 904635), (27, 770615), (45, 462369), (69, 301545), (115, 180927), (135, 154123), (207, 100515), (345, 60309), (621, 33505), (1035, 20103), (3105, 6701)]