20454918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10687}}^1$

素因数の和:10732

約数の個数: 32

約数和(自身を含む): 46172160

約数和(自身を除く): 25717242

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 319, 638, 957, 1914, 10687, 21374, 32061, 64122, 117557, 235114, 309923, 352671, 619846, 705342, 929769, 1859538, 3409153, 6818306, 10227459, 20454918]

約数ペア:

[(1, 20454918), (2, 10227459), (3, 6818306), (6, 3409153), (11, 1859538), (22, 929769), (29, 705342), (33, 619846), (58, 352671), (66, 309923), (87, 235114), (174, 117557), (319, 64122), (638, 32061), (957, 21374), (1914, 10687)]