20928614

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 39172896

約数和(自身を除く): 18244282

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 101, 133, 202, 266, 287, 361, 574, 707, 722, 779, 1414, 1558, 1919, 2527, 3838, 4141, 5054, 5453, 8282, 10906, 13433, 14801, 26866, 28987, 29602, 36461, 57974, 72922, 78679, 103607, 157358, 207214, 255227, 510454, 550753, 1101506, 1494901, 2989802, 10464307, 20928614]

約数ペア:

[(1, 20928614), (2, 10464307), (7, 2989802), (14, 1494901), (19, 1101506), (38, 550753), (41, 510454), (82, 255227), (101, 207214), (133, 157358), (202, 103607), (266, 78679), (287, 72922), (361, 57974), (574, 36461), (707, 29602), (722, 28987), (779, 26866), (1414, 14801), (1558, 13433), (1919, 10906), (2527, 8282), (3838, 5453), (4141, 5054)]