20651490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{76487}}^1$

素因数の和:76503

約数の個数: 32

約数和(自身を含む): 55071360

約数和(自身を除く): 34419870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 76487, 152974, 229461, 382435, 458922, 688383, 764870, 1147305, 1376766, 2065149, 2294610, 3441915, 4130298, 6883830, 10325745, 20651490]

約数ペア:

[(1, 20651490), (2, 10325745), (3, 6883830), (5, 4130298), (6, 3441915), (9, 2294610), (10, 2065149), (15, 1376766), (18, 1147305), (27, 764870), (30, 688383), (45, 458922), (54, 382435), (90, 229461), (135, 152974), (270, 76487)]