20019118

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 35758080

約数和(自身を除く): 15738962

約数列:

[1, 2, 7, 14, 31, 62, 193, 217, 239, 386, 434, 478, 1351, 1673, 2702, 3346, 5983, 7409, 11966, 14818, 41881, 46127, 51863, 83762, 92254, 103726, 322889, 645778, 1429937, 2859874, 10009559, 20019118]

約数ペア:

[(1, 20019118), (2, 10009559), (7, 2859874), (14, 1429937), (31, 645778), (62, 322889), (193, 103726), (217, 92254), (239, 83762), (386, 51863), (434, 46127), (478, 41881), (1351, 14818), (1673, 11966), (2702, 7409), (3346, 5983)]