20268441

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10777959

約数列:

[1, 3, 9, 27, 71, 97, 109, 213, 291, 327, 639, 873, 981, 1917, 2619, 2943, 6887, 7739, 10573, 20661, 23217, 31719, 61983, 69651, 95157, 185949, 208953, 285471, 750683, 2252049, 6756147, 20268441]

約数ペア:

[(1, 20268441), (3, 6756147), (9, 2252049), (27, 750683), (71, 285471), (97, 208953), (109, 185949), (213, 95157), (291, 69651), (327, 61983), (639, 31719), (873, 23217), (981, 20661), (1917, 10573), (2619, 7739), (2943, 6887)]