20304858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11243}}^1$

素因数の和:11298

約数の個数: 32

約数和(自身を含む): 47494656

約数和(自身を除く): 27189798

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11243, 22486, 33729, 67458, 78701, 157402, 236103, 472206, 483449, 966898, 1450347, 2900694, 3384143, 6768286, 10152429, 20304858]

約数ペア:

[(1, 20304858), (2, 10152429), (3, 6768286), (6, 3384143), (7, 2900694), (14, 1450347), (21, 966898), (42, 483449), (43, 472206), (86, 236103), (129, 157402), (258, 78701), (301, 67458), (602, 33729), (903, 22486), (1806, 11243)]