20381699

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 23938992

約数和(自身を除く): 3557293

約数列:

[1, 13, 19, 43, 101, 247, 361, 559, 817, 1313, 1919, 4343, 4693, 10621, 15523, 24947, 36461, 56459, 82517, 201799, 473993, 1072721, 1567823, 20381699]

約数ペア:

[(1, 20381699), (13, 1567823), (19, 1072721), (43, 473993), (101, 201799), (247, 82517), (361, 56459), (559, 36461), (817, 24947), (1313, 15523), (1919, 10621), (4343, 4693)]