20173950704

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{401}}^1\times {\mathrm{22621}}^1$

素因数の和:23169

約数の個数: 40

約数和(自身を含む): 39468150960

約数和(自身を除く): 19294200256

約数列:

[1, 2, 4, 8, 16, 139, 278, 401, 556, 802, 1112, 1604, 2224, 3208, 6416, 22621, 45242, 55739, 90484, 111478, 180968, 222956, 361936, 445912, 891824, 3144319, 6288638, 9071021, 12577276, 18142042, 25154552, 36284084, 50309104, 72568168, 145136336, 1260871919, 2521743838, 5043487676, 10086975352, 20173950704]

約数ペア:

[(1, 20173950704), (2, 10086975352), (4, 5043487676), (8, 2521743838), (16, 1260871919), (139, 145136336), (278, 72568168), (401, 50309104), (556, 36284084), (802, 25154552), (1112, 18142042), (1604, 12577276), (2224, 9071021), (3208, 6288638), (6416, 3144319), (22621, 891824), (45242, 445912), (55739, 361936), (90484, 222956), (111478, 180968)]