20170992249

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 34062336000

約数和(自身を除く): 13891343751

約数列:

[1, 3, 9, 19, 23, 27, 43, 57, 69, 83, 129, 171, 207, 249, 387, 437, 479, 513, 621, 747, 817, 989, 1161, 1311, 1437, 1577, 1909, 2241, 2451, 2967, 3569, 3933, 4311, 4731, 5727, 7353, 8901, 9101, 10707, 11017, 11799, 12933, 14193, 17181, 18791, 20597, 22059, 26703, 27303, 32121, 33051, 36271, 39757, 42579, 51543, 56373, 61791, 67811, 81909, 82087, 96363, 99153, 108813, 119271, 169119, 185373, 203433, 209323, 245727, 246261, 297459, 326439, 357813, 391343, 473731, 507357, 556119, 610299, 627969, 738783, 755383, 914411, 979317, 1073439, 1174029, 1421193, 1559653, 1709551, 1830897, 1883907, 2216349, 2266149, 2743233, 3522087, 4263579, 4678959, 5128653, 5651721, 6798447, 8229699, 9000889, 10566261, 12790737, 14036877, 15385959, 17373809, 20395341, 24689097, 27002667, 32481469, 39319673, 42110631, 46157877, 52121427, 81008001, 97444407, 117959019, 156364281, 243024003, 292333221, 353877057, 469092843, 747073787, 876999663, 1061631171, 2241221361, 6723664083, 20170992249]

約数ペア:

[(1, 20170992249), (3, 6723664083), (9, 2241221361), (19, 1061631171), (23, 876999663), (27, 747073787), (43, 469092843), (57, 353877057), (69, 292333221), (83, 243024003), (129, 156364281), (171, 117959019), (207, 97444407), (249, 81008001), (387, 52121427), (437, 46157877), (479, 42110631), (513, 39319673), (621, 32481469), (747, 27002667), (817, 24689097), (989, 20395341), (1161, 17373809), (1311, 15385959), (1437, 14036877), (1577, 12790737), (1909, 10566261), (2241, 9000889), (2451, 8229699), (2967, 6798447), (3569, 5651721), (3933, 5128653), (4311, 4678959), (4731, 4263579), (5727, 3522087), (7353, 2743233), (8901, 2266149), (9101, 2216349), (10707, 1883907), (11017, 1830897), (11799, 1709551), (12933, 1559653), (14193, 1421193), (17181, 1174029), (18791, 1073439), (20597, 979317), (22059, 914411), (26703, 755383), (27303, 738783), (32121, 627969), (33051, 610299), (36271, 556119), (39757, 507357), (42579, 473731), (51543, 391343), (56373, 357813), (61791, 326439), (67811, 297459), (81909, 246261), (82087, 245727), (96363, 209323), (99153, 203433), (108813, 185373), (119271, 169119)]