20691874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17047646

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 266, 727, 749, 1454, 1498, 2033, 4066, 5089, 10178, 13813, 14231, 27626, 28462, 77789, 96691, 155578, 193382, 544523, 1089046, 1477991, 2955982, 10345937, 20691874]

約数ペア:

[(1, 20691874), (2, 10345937), (7, 2955982), (14, 1477991), (19, 1089046), (38, 544523), (107, 193382), (133, 155578), (214, 96691), (266, 77789), (727, 28462), (749, 27626), (1454, 14231), (1498, 13813), (2033, 10178), (4066, 5089)]