121720204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{16729}}^1$

素因数の和:16857

約数の個数: 24

約数和(自身を含む): 227661840

約数和(自身を除く): 105941636

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 3638, 7276, 16729, 33458, 66916, 284393, 568786, 1137572, 1790003, 3580006, 7160012, 30430051, 60860102, 121720204]

約数ペア:

[(1, 121720204), (2, 60860102), (4, 30430051), (17, 7160012), (34, 3580006), (68, 1790003), (107, 1137572), (214, 568786), (428, 284393), (1819, 66916), (3638, 33458), (7276, 16729)]