20485542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 33140058

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 121, 139, 154, 174, 203, 231, 242, 278, 319, 363, 406, 417, 462, 609, 638, 726, 834, 847, 957, 973, 1218, 1529, 1694, 1914, 1946, 2233, 2541, 2919, 3058, 3509, 4031, 4466, 4587, 5082, 5838, 6699, 7018, 8062, 9174, 10527, 10703, 12093, 13398, 16819, 21054, 21406, 24186, 24563, 28217, 32109, 33638, 44341, 49126, 50457, 56434, 64218, 73689, 84651, 88682, 100914, 117733, 133023, 147378, 169302, 235466, 266046, 310387, 353199, 487751, 620774, 706398, 931161, 975502, 1463253, 1862322, 2926506, 3414257, 6828514, 10242771, 20485542]

約数ペア:

[(1, 20485542), (2, 10242771), (3, 6828514), (6, 3414257), (7, 2926506), (11, 1862322), (14, 1463253), (21, 975502), (22, 931161), (29, 706398), (33, 620774), (42, 487751), (58, 353199), (66, 310387), (77, 266046), (87, 235466), (121, 169302), (139, 147378), (154, 133023), (174, 117733), (203, 100914), (231, 88682), (242, 84651), (278, 73689), (319, 64218), (363, 56434), (406, 50457), (417, 49126), (462, 44341), (609, 33638), (638, 32109), (726, 28217), (834, 24563), (847, 24186), (957, 21406), (973, 21054), (1218, 16819), (1529, 13398), (1694, 12093), (1914, 10703), (1946, 10527), (2233, 9174), (2541, 8062), (2919, 7018), (3058, 6699), (3509, 5838), (4031, 5082), (4466, 4587)]