20485226

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1997}}^1$

素因数の和:2245

約数の個数: 16

約数和(自身を含む): 32223744

約数和(自身を除く): 11738518

約数列:

[1, 2, 23, 46, 223, 446, 1997, 3994, 5129, 10258, 45931, 91862, 445331, 890662, 10242613, 20485226]

約数ペア:

[(1, 20485226), (2, 10242613), (23, 890662), (46, 445331), (223, 91862), (446, 45931), (1997, 10258), (3994, 5129)]