20571334

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 36596736

約数和(自身を除く): 16025402

約数列:

[1, 2, 7, 14, 37, 74, 151, 259, 263, 302, 518, 526, 1057, 1841, 2114, 3682, 5587, 9731, 11174, 19462, 39109, 39713, 68117, 78218, 79426, 136234, 277991, 555982, 1469381, 2938762, 10285667, 20571334]

約数ペア:

[(1, 20571334), (2, 10285667), (7, 2938762), (14, 1469381), (37, 555982), (74, 277991), (151, 136234), (259, 79426), (263, 78218), (302, 68117), (518, 39713), (526, 39109), (1057, 19462), (1841, 11174), (2114, 9731), (3682, 5587)]