20091666

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1847}}^1$

素因数の和:1903

約数の個数: 48

約数和(自身を含む): 48033216

約数和(自身を除く): 27941550

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 1847, 3626, 3694, 5439, 5541, 10878, 11082, 12929, 25858, 38787, 68339, 77574, 90503, 136678, 181006, 205017, 271509, 410034, 478373, 543018, 956746, 1435119, 2870238, 3348611, 6697222, 10045833, 20091666]

約数ペア:

[(1, 20091666), (2, 10045833), (3, 6697222), (6, 3348611), (7, 2870238), (14, 1435119), (21, 956746), (37, 543018), (42, 478373), (49, 410034), (74, 271509), (98, 205017), (111, 181006), (147, 136678), (222, 90503), (259, 77574), (294, 68339), (518, 38787), (777, 25858), (1554, 12929), (1813, 11082), (1847, 10878), (3626, 5541), (3694, 5439)]