20163836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3851}}^1$

素因数の和:3890

約数の個数: 48

約数和(自身を含む): 46593792

約数和(自身を除く): 26429956

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3851, 5236, 7702, 15404, 26957, 42361, 53914, 65467, 84722, 107828, 130934, 169444, 261868, 296527, 458269, 593054, 720137, 916538, 1186108, 1440274, 1833076, 2880548, 5040959, 10081918, 20163836]

約数ペア:

[(1, 20163836), (2, 10081918), (4, 5040959), (7, 2880548), (11, 1833076), (14, 1440274), (17, 1186108), (22, 916538), (28, 720137), (34, 593054), (44, 458269), (68, 296527), (77, 261868), (119, 169444), (154, 130934), (187, 107828), (238, 84722), (308, 65467), (374, 53914), (476, 42361), (748, 26957), (1309, 15404), (2618, 7702), (3851, 5236)]