20565886959

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{353}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 32252973984

約数和(自身を除く): 11687087025

約数列:

[1, 3, 9, 27, 41, 53, 81, 123, 159, 331, 353, 369, 477, 993, 1059, 1107, 1431, 2173, 2979, 3177, 3321, 4293, 6519, 8937, 9531, 13571, 14473, 17543, 18709, 19557, 26811, 28593, 40713, 43419, 52629, 56127, 58671, 116843, 122139, 130257, 157887, 168381, 176013, 350529, 366417, 390771, 473661, 505143, 719263, 767069, 1051587, 1099251, 1172313, 1420983, 1515429, 2157789, 2301207, 3154761, 4790563, 6192679, 6473367, 6903621, 9464283, 14371689, 18578037, 19420101, 20710863, 43115067, 55734111, 58260303, 62132589, 129345201, 167202333, 253899839, 388035603, 501606999, 761699517, 2285098551, 6855295653, 20565886959]

約数ペア:

[(1, 20565886959), (3, 6855295653), (9, 2285098551), (27, 761699517), (41, 501606999), (53, 388035603), (81, 253899839), (123, 167202333), (159, 129345201), (331, 62132589), (353, 58260303), (369, 55734111), (477, 43115067), (993, 20710863), (1059, 19420101), (1107, 18578037), (1431, 14371689), (2173, 9464283), (2979, 6903621), (3177, 6473367), (3321, 6192679), (4293, 4790563), (6519, 3154761), (8937, 2301207), (9531, 2157789), (13571, 1515429), (14473, 1420983), (17543, 1172313), (18709, 1099251), (19557, 1051587), (26811, 767069), (28593, 719263), (40713, 505143), (43419, 473661), (52629, 390771), (56127, 366417), (58671, 350529), (116843, 176013), (122139, 168381), (130257, 157887)]