20351752

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19046648

約数列:

[1, 2, 4, 8, 47, 94, 113, 188, 226, 376, 452, 479, 904, 958, 1916, 3832, 5311, 10622, 21244, 22513, 42488, 45026, 54127, 90052, 108254, 180104, 216508, 433016, 2543969, 5087938, 10175876, 20351752]

約数ペア:

[(1, 20351752), (2, 10175876), (4, 5087938), (8, 2543969), (47, 433016), (94, 216508), (113, 180104), (188, 108254), (226, 90052), (376, 54127), (452, 45026), (479, 42488), (904, 22513), (958, 21244), (1916, 10622), (3832, 5311)]