20009781862

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^2\times {\mathrm{149}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 36864072000

約数和(自身を除く): 16854290138

約数列:

[1, 2, 7, 14, 29, 53, 58, 79, 106, 149, 158, 203, 298, 371, 406, 553, 742, 1043, 1106, 1537, 2086, 2291, 3074, 4187, 4321, 4582, 6241, 7897, 8374, 8642, 10759, 11771, 12482, 15794, 16037, 21518, 23542, 29309, 30247, 32074, 43687, 55279, 58618, 60494, 82397, 87374, 110558, 121423, 164794, 180989, 229013, 242846, 330773, 341359, 361978, 458026, 623863, 661546, 682718, 849961, 929909, 1247726, 1266923, 1603091, 1699922, 1859818, 2315411, 2389513, 2533846, 3206182, 4367041, 4630822, 4779026, 6509363, 8734082, 9592417, 13018726, 18092027, 19184834, 26967361, 36184054, 49285177, 53934722, 67146919, 98570354, 126644189, 134293838, 188771527, 253288378, 344996239, 377543054, 689992478, 1429270133, 2858540266, 10004890931, 20009781862]

約数ペア:

[(1, 20009781862), (2, 10004890931), (7, 2858540266), (14, 1429270133), (29, 689992478), (53, 377543054), (58, 344996239), (79, 253288378), (106, 188771527), (149, 134293838), (158, 126644189), (203, 98570354), (298, 67146919), (371, 53934722), (406, 49285177), (553, 36184054), (742, 26967361), (1043, 19184834), (1106, 18092027), (1537, 13018726), (2086, 9592417), (2291, 8734082), (3074, 6509363), (4187, 4779026), (4321, 4630822), (4582, 4367041), (6241, 3206182), (7897, 2533846), (8374, 2389513), (8642, 2315411), (10759, 1859818), (11771, 1699922), (12482, 1603091), (15794, 1266923), (16037, 1247726), (21518, 929909), (23542, 849961), (29309, 682718), (30247, 661546), (32074, 623863), (43687, 458026), (55279, 361978), (58618, 341359), (60494, 330773), (82397, 242846), (87374, 229013), (110558, 180989), (121423, 164794)]