20342007

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 34500960

約数和(自身を除く): 14158953

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 239, 441, 579, 717, 1351, 1673, 1737, 2151, 4053, 5019, 9457, 11711, 12159, 15057, 28371, 35133, 46127, 85113, 105399, 138381, 322889, 415143, 968667, 2260223, 2906001, 6780669, 20342007]

約数ペア:

[(1, 20342007), (3, 6780669), (7, 2906001), (9, 2260223), (21, 968667), (49, 415143), (63, 322889), (147, 138381), (193, 105399), (239, 85113), (441, 46127), (579, 35133), (717, 28371), (1351, 15057), (1673, 12159), (1737, 11711), (2151, 9457), (4053, 5019)]