220580204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^2\times {\mathrm{263}}^1$

素因数の和:534

約数の個数: 36

約数和(自身を含む): 420601104

約数和(自身を除く): 200020900

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 263, 508, 526, 1052, 1651, 3302, 3419, 6604, 6838, 13676, 16129, 32258, 33401, 64516, 66802, 133604, 209677, 419354, 434213, 838708, 868426, 1736852, 4241927, 8483854, 16967708, 55145051, 110290102, 220580204]

約数ペア:

[(1, 220580204), (2, 110290102), (4, 55145051), (13, 16967708), (26, 8483854), (52, 4241927), (127, 1736852), (254, 868426), (263, 838708), (508, 434213), (526, 419354), (1052, 209677), (1651, 133604), (3302, 66802), (3419, 64516), (6604, 33401), (6838, 32258), (13676, 16129)]