20854886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 36923040

約数和(自身を除く): 16068154

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 221, 377, 442, 493, 754, 986, 1627, 3254, 6409, 12818, 21151, 27659, 42302, 47183, 55318, 94366, 359567, 613379, 719134, 802111, 1226758, 1604222, 10427443, 20854886]

約数ペア:

[(1, 20854886), (2, 10427443), (13, 1604222), (17, 1226758), (26, 802111), (29, 719134), (34, 613379), (58, 359567), (221, 94366), (377, 55318), (442, 47183), (493, 42302), (754, 27659), (986, 21151), (1627, 12818), (3254, 6409)]