20688571617

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 34454418432

約数和(自身を除く): 13765846815

約数列:

[1, 3, 7, 17, 21, 51, 67, 83, 119, 201, 249, 289, 357, 469, 581, 613, 867, 1139, 1407, 1411, 1743, 1839, 2023, 3417, 4233, 4291, 5561, 6069, 7973, 9877, 10421, 12873, 16683, 19363, 23919, 23987, 29631, 31263, 38927, 41071, 50879, 58089, 71961, 72947, 94537, 116781, 123213, 135541, 152637, 167909, 177157, 218841, 283611, 287497, 356153, 406623, 503727, 531471, 661759, 698207, 862491, 864943, 1068459, 1240099, 1607129, 1985277, 2094621, 2594829, 3408893, 3720297, 4821387, 4887449, 6054601, 10226679, 11249903, 11869519, 14662347, 14704031, 18163803, 23862251, 33749709, 35608557, 44112093, 57951181, 71586753, 83086633, 102928217, 173853543, 249259899, 308784651, 405658267, 985170077, 1216974801, 2955510231, 6896190539, 20688571617]

約数ペア:

[(1, 20688571617), (3, 6896190539), (7, 2955510231), (17, 1216974801), (21, 985170077), (51, 405658267), (67, 308784651), (83, 249259899), (119, 173853543), (201, 102928217), (249, 83086633), (289, 71586753), (357, 57951181), (469, 44112093), (581, 35608557), (613, 33749709), (867, 23862251), (1139, 18163803), (1407, 14704031), (1411, 14662347), (1743, 11869519), (1839, 11249903), (2023, 10226679), (3417, 6054601), (4233, 4887449), (4291, 4821387), (5561, 3720297), (6069, 3408893), (7973, 2594829), (9877, 2094621), (10421, 1985277), (12873, 1607129), (16683, 1240099), (19363, 1068459), (23919, 864943), (23987, 862491), (29631, 698207), (31263, 661759), (38927, 531471), (41071, 503727), (50879, 406623), (58089, 356153), (71961, 287497), (72947, 283611), (94537, 218841), (116781, 177157), (123213, 167909), (135541, 152637)]