20162790494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1\times {\mathrm{1013}}^1$

素因数の和:1761

約数の個数: 64

約数和(自身を含む): 37957151232

約数和(自身を除く): 17794360738

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 307, 421, 614, 842, 1013, 2026, 2149, 2947, 3377, 4298, 4631, 5894, 6754, 7091, 9262, 11143, 14182, 22286, 23639, 32417, 47278, 64834, 78001, 129247, 156002, 258494, 310991, 426473, 621982, 852946, 904729, 1421717, 1809458, 2176937, 2843434, 2985311, 3420901, 4353874, 4691203, 5970622, 6841802, 9382406, 9952019, 19904038, 23946307, 32838421, 47892614, 65676842, 130927211, 261854422, 916490477, 1440199321, 1832980954, 2880398642, 10081395247, 20162790494]

約数ペア:

[(1, 20162790494), (2, 10081395247), (7, 2880398642), (11, 1832980954), (14, 1440199321), (22, 916490477), (77, 261854422), (154, 130927211), (307, 65676842), (421, 47892614), (614, 32838421), (842, 23946307), (1013, 19904038), (2026, 9952019), (2149, 9382406), (2947, 6841802), (3377, 5970622), (4298, 4691203), (4631, 4353874), (5894, 3420901), (6754, 2985311), (7091, 2843434), (9262, 2176937), (11143, 1809458), (14182, 1421717), (22286, 904729), (23639, 852946), (32417, 621982), (47278, 426473), (64834, 310991), (78001, 258494), (129247, 156002)]