20362037164

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 44690947840

約数和(自身を除く): 24328910676

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 139, 172, 238, 278, 289, 301, 421, 476, 556, 578, 602, 731, 842, 973, 1156, 1204, 1462, 1684, 1946, 2023, 2363, 2924, 2947, 3892, 4046, 4726, 5117, 5894, 5977, 7157, 8092, 9452, 10234, 11788, 11954, 12427, 14314, 16541, 18103, 20468, 23908, 24854, 28628, 33082, 36206, 40171, 41839, 49708, 50099, 58519, 66164, 72412, 80342, 83678, 86989, 100198, 101609, 117038, 121669, 126721, 160684, 167356, 173978, 200396, 203218, 234076, 243338, 253442, 281197, 307751, 347956, 406436, 409633, 486676, 506884, 562394, 615502, 711263, 819266, 851683, 994823, 1124788, 1231004, 1422526, 1638532, 1703366, 1727353, 1989646, 2154257, 2516317, 2845052, 3406732, 3454706, 3979292, 4308514, 5032634, 5231767, 6909412, 6963761, 8617028, 10065268, 10463534, 12091471, 13927522, 16911991, 17614219, 20927068, 24182942, 27855044, 33823982, 35228438, 36622369, 42777389, 48365884, 67647964, 70456876, 73244738, 85554778, 118383937, 146489476, 171109556, 236767874, 299441723, 473535748, 598883446, 727215613, 1197766892, 1454431226, 2908862452, 5090509291, 10181018582, 20362037164]

約数ペア:

[(1, 20362037164), (2, 10181018582), (4, 5090509291), (7, 2908862452), (14, 1454431226), (17, 1197766892), (28, 727215613), (34, 598883446), (43, 473535748), (68, 299441723), (86, 236767874), (119, 171109556), (139, 146489476), (172, 118383937), (238, 85554778), (278, 73244738), (289, 70456876), (301, 67647964), (421, 48365884), (476, 42777389), (556, 36622369), (578, 35228438), (602, 33823982), (731, 27855044), (842, 24182942), (973, 20927068), (1156, 17614219), (1204, 16911991), (1462, 13927522), (1684, 12091471), (1946, 10463534), (2023, 10065268), (2363, 8617028), (2924, 6963761), (2947, 6909412), (3892, 5231767), (4046, 5032634), (4726, 4308514), (5117, 3979292), (5894, 3454706), (5977, 3406732), (7157, 2845052), (8092, 2516317), (9452, 2154257), (10234, 1989646), (11788, 1727353), (11954, 1703366), (12427, 1638532), (14314, 1422526), (16541, 1231004), (18103, 1124788), (20468, 994823), (23908, 851683), (24854, 819266), (28628, 711263), (33082, 615502), (36206, 562394), (40171, 506884), (41839, 486676), (49708, 409633), (50099, 406436), (58519, 347956), (66164, 307751), (72412, 281197), (80342, 253442), (83678, 243338), (86989, 234076), (100198, 203218), (101609, 200396), (117038, 173978), (121669, 167356), (126721, 160684)]