20198982615

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{883}}^1\times {\mathrm{31123}}^1$

素因数の和:32028

約数の個数: 48

約数和(自身を含む): 37638626688

約数和(自身を除く): 17439644073

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 883, 2649, 4415, 6181, 13245, 18543, 30905, 31123, 43267, 92715, 93369, 129801, 155615, 216335, 217861, 466845, 649005, 653583, 1089305, 1525027, 3267915, 4575081, 7625135, 22875405, 27481609, 82444827, 137408045, 192371263, 412224135, 577113789, 961856315, 1346598841, 2885568945, 4039796523, 6732994205, 20198982615]

約数ペア:

[(1, 20198982615), (3, 6732994205), (5, 4039796523), (7, 2885568945), (15, 1346598841), (21, 961856315), (35, 577113789), (49, 412224135), (105, 192371263), (147, 137408045), (245, 82444827), (735, 27481609), (883, 22875405), (2649, 7625135), (4415, 4575081), (6181, 3267915), (13245, 1525027), (18543, 1089305), (30905, 653583), (31123, 649005), (43267, 466845), (92715, 217861), (93369, 216335), (129801, 155615)]