20172215556

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2803}}^1\times {\mathrm{4649}}^1$

素因数の和:7505

約数の個数: 72

約数和(自身を含む): 52206554400

約数和(自身を除く): 32034338844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 2803, 4649, 5606, 8409, 9298, 11212, 13947, 16818, 18596, 25227, 27894, 33636, 41841, 50454, 55788, 83682, 100908, 120529, 167364, 199907, 241058, 361587, 399814, 482116, 599721, 723174, 799628, 1084761, 1199442, 1446348, 1799163, 2169522, 2398884, 3598326, 4339044, 7196652, 13031147, 26062294, 39093441, 52124588, 78186882, 117280323, 156373764, 234560646, 469121292, 560339321, 1120678642, 1681017963, 2241357284, 3362035926, 5043053889, 6724071852, 10086107778, 20172215556]

約数ペア:

[(1, 20172215556), (2, 10086107778), (3, 6724071852), (4, 5043053889), (6, 3362035926), (9, 2241357284), (12, 1681017963), (18, 1120678642), (36, 560339321), (43, 469121292), (86, 234560646), (129, 156373764), (172, 117280323), (258, 78186882), (387, 52124588), (516, 39093441), (774, 26062294), (1548, 13031147), (2803, 7196652), (4649, 4339044), (5606, 3598326), (8409, 2398884), (9298, 2169522), (11212, 1799163), (13947, 1446348), (16818, 1199442), (18596, 1084761), (25227, 799628), (27894, 723174), (33636, 599721), (41841, 482116), (50454, 399814), (55788, 361587), (83682, 241058), (100908, 199907), (120529, 167364)]