20874699

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 32155200

約数和(自身を除く): 11280501

約数列:

[1, 3, 9, 27, 41, 109, 123, 173, 327, 369, 519, 981, 1107, 1557, 2943, 4469, 4671, 7093, 13407, 18857, 21279, 40221, 56571, 63837, 120663, 169713, 191511, 509139, 773137, 2319411, 6958233, 20874699]

約数ペア:

[(1, 20874699), (3, 6958233), (9, 2319411), (27, 773137), (41, 509139), (109, 191511), (123, 169713), (173, 120663), (327, 63837), (369, 56571), (519, 40221), (981, 21279), (1107, 18857), (1557, 13407), (2943, 7093), (4469, 4671)]