20600294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20042266

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 209, 221, 223, 247, 286, 323, 374, 418, 442, 446, 494, 646, 2431, 2453, 2717, 2899, 3553, 3791, 4199, 4237, 4862, 4906, 5434, 5798, 7106, 7582, 8398, 8474, 31889, 41701, 46189, 46607, 49283, 55081, 63778, 72029, 83402, 92378, 93214, 98566, 110162, 144058, 542113, 605891, 792319, 936377, 1084226, 1211782, 1584638, 1872754, 10300147, 20600294]

約数ペア:

[(1, 20600294), (2, 10300147), (11, 1872754), (13, 1584638), (17, 1211782), (19, 1084226), (22, 936377), (26, 792319), (34, 605891), (38, 542113), (143, 144058), (187, 110162), (209, 98566), (221, 93214), (223, 92378), (247, 83402), (286, 72029), (323, 63778), (374, 55081), (418, 49283), (442, 46607), (446, 46189), (494, 41701), (646, 31889), (2431, 8474), (2453, 8398), (2717, 7582), (2899, 7106), (3553, 5798), (3791, 5434), (4199, 4906), (4237, 4862)]