20538198

素因数分解:

$2^1\times 3^4\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1418

約数の個数: 40

約数和(自身を含む): 46530792

約数和(自身を除く): 25992594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 291, 582, 873, 1307, 1746, 2614, 2619, 3921, 5238, 7842, 7857, 11763, 15714, 23526, 35289, 70578, 105867, 126779, 211734, 253558, 380337, 760674, 1141011, 2282022, 3423033, 6846066, 10269099, 20538198]

約数ペア:

[(1, 20538198), (2, 10269099), (3, 6846066), (6, 3423033), (9, 2282022), (18, 1141011), (27, 760674), (54, 380337), (81, 253558), (97, 211734), (162, 126779), (194, 105867), (291, 70578), (582, 35289), (873, 23526), (1307, 15714), (1746, 11763), (2614, 7857), (2619, 7842), (3921, 5238)]