20143178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 14071222

約数列:

[1, 2, 11, 22, 43, 86, 107, 199, 214, 398, 473, 946, 1177, 2189, 2354, 4378, 4601, 8557, 9202, 17114, 21293, 42586, 50611, 94127, 101222, 188254, 234223, 468446, 915599, 1831198, 10071589, 20143178]

約数ペア:

[(1, 20143178), (2, 10071589), (11, 1831198), (22, 915599), (43, 468446), (86, 234223), (107, 188254), (199, 101222), (214, 94127), (398, 50611), (473, 42586), (946, 21293), (1177, 17114), (2189, 9202), (2354, 8557), (4378, 4601)]