20541762

素因数分解:

$2^1\times 3^6\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 56

約数和(自身を含む): 47073324

約数和(自身を除く): 26531562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 193, 219, 243, 386, 438, 486, 579, 657, 729, 1158, 1314, 1458, 1737, 1971, 3474, 3942, 5211, 5913, 10422, 11826, 14089, 15633, 17739, 28178, 31266, 35478, 42267, 46899, 53217, 84534, 93798, 106434, 126801, 140697, 253602, 281394, 380403, 760806, 1141209, 2282418, 3423627, 6847254, 10270881, 20541762]

約数ペア:

[(1, 20541762), (2, 10270881), (3, 6847254), (6, 3423627), (9, 2282418), (18, 1141209), (27, 760806), (54, 380403), (73, 281394), (81, 253602), (146, 140697), (162, 126801), (193, 106434), (219, 93798), (243, 84534), (386, 53217), (438, 46899), (486, 42267), (579, 35478), (657, 31266), (729, 28178), (1158, 17739), (1314, 15633), (1458, 14089), (1737, 11826), (1971, 10422), (3474, 5913), (3942, 5211)]