20804788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 17579852

約数列:

[1, 2, 4, 23, 46, 92, 101, 202, 404, 2239, 2323, 4478, 4646, 8956, 9292, 51497, 102994, 205988, 226139, 452278, 904556, 5201197, 10402394, 20804788]

約数ペア:

[(1, 20804788), (2, 10402394), (4, 5201197), (23, 904556), (46, 452278), (92, 226139), (101, 205988), (202, 102994), (404, 51497), (2239, 9292), (2323, 8956), (4478, 4646)]