20161864324

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{234473}}^1$

素因数の和:234604

約数の個数: 48

約数和(自身を含む): 41912696448

約数和(自身を除く): 21750832124

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 83, 148, 166, 259, 332, 518, 581, 1036, 1162, 2324, 3071, 6142, 12284, 21497, 42994, 85988, 234473, 468946, 937892, 1641311, 3282622, 6565244, 8675501, 17351002, 19461259, 34702004, 38922518, 60728507, 77845036, 121457014, 136228813, 242914028, 272457626, 544915252, 720066583, 1440133166, 2880266332, 5040466081, 10080932162, 20161864324]

約数ペア:

[(1, 20161864324), (2, 10080932162), (4, 5040466081), (7, 2880266332), (14, 1440133166), (28, 720066583), (37, 544915252), (74, 272457626), (83, 242914028), (148, 136228813), (166, 121457014), (259, 77845036), (332, 60728507), (518, 38922518), (581, 34702004), (1036, 19461259), (1162, 17351002), (2324, 8675501), (3071, 6565244), (6142, 3282622), (12284, 1641311), (21497, 937892), (42994, 468946), (85988, 234473)]