20831823

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5981}}^1$

素因数の和:6036

約数の個数: 20

約数和(自身を含む): 31848168

約数和(自身を除く): 11016345

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5981, 17943, 53829, 161487, 257183, 484461, 771549, 2314647, 6943941, 20831823]

約数ペア:

[(1, 20831823), (3, 6943941), (9, 2314647), (27, 771549), (43, 484461), (81, 257183), (129, 161487), (387, 53829), (1161, 17943), (3483, 5981)]