20207697

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 29114496

約数和(自身を除く): 8906799

約数列:

[1, 3, 19, 47, 57, 141, 361, 397, 893, 1083, 1191, 2679, 7543, 16967, 18659, 22629, 50901, 55977, 143317, 354521, 429951, 1063563, 6735899, 20207697]

約数ペア:

[(1, 20207697), (3, 6735899), (19, 1063563), (47, 429951), (57, 354521), (141, 143317), (361, 55977), (397, 50901), (893, 22629), (1083, 18659), (1191, 16967), (2679, 7543)]