20206884

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 49182336

約数和(自身を除く): 28975452

約数列:

[1, 2, 3, 4, 6, 12, 37, 71, 74, 111, 142, 148, 213, 222, 284, 426, 444, 641, 852, 1282, 1923, 2564, 2627, 3846, 5254, 7692, 7881, 10508, 15762, 23717, 31524, 45511, 47434, 71151, 91022, 94868, 136533, 142302, 182044, 273066, 284604, 546132, 1683907, 3367814, 5051721, 6735628, 10103442, 20206884]

約数ペア:

[(1, 20206884), (2, 10103442), (3, 6735628), (4, 5051721), (6, 3367814), (12, 1683907), (37, 546132), (71, 284604), (74, 273066), (111, 182044), (142, 142302), (148, 136533), (213, 94868), (222, 91022), (284, 71151), (426, 47434), (444, 45511), (641, 31524), (852, 23717), (1282, 15762), (1923, 10508), (2564, 7881), (2627, 7692), (3846, 5254)]