20256874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4129}}^1$

素因数の和:4365

約数の個数: 16

約数和(自身を含む): 33304320

約数和(自身を除く): 13047446

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4129, 4906, 8258, 45419, 90838, 920767, 1841534, 10128437, 20256874]

約数ペア:

[(1, 20256874), (2, 10128437), (11, 1841534), (22, 920767), (223, 90838), (446, 45419), (2453, 8258), (4129, 4906)]