20320827294

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{255743}}^1$

素因数の和:255825

約数の個数: 64

約数和(自身を含む): 46402191360

約数和(自身を除く): 26081364066

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 41, 51, 57, 82, 102, 114, 123, 246, 323, 646, 697, 779, 969, 1394, 1558, 1938, 2091, 2337, 4182, 4674, 13243, 26486, 39729, 79458, 255743, 511486, 767229, 1534458, 4347631, 4859117, 8695262, 9718234, 10485463, 13042893, 14577351, 20970926, 26085786, 29154702, 31456389, 62912778, 82604989, 165209978, 178252871, 199223797, 247814967, 356505742, 398447594, 495629934, 534758613, 597671391, 1069517226, 1195342782, 3386804549, 6773609098, 10160413647, 20320827294]

約数ペア:

[(1, 20320827294), (2, 10160413647), (3, 6773609098), (6, 3386804549), (17, 1195342782), (19, 1069517226), (34, 597671391), (38, 534758613), (41, 495629934), (51, 398447594), (57, 356505742), (82, 247814967), (102, 199223797), (114, 178252871), (123, 165209978), (246, 82604989), (323, 62912778), (646, 31456389), (697, 29154702), (779, 26085786), (969, 20970926), (1394, 14577351), (1558, 13042893), (1938, 10485463), (2091, 9718234), (2337, 8695262), (4182, 4859117), (4674, 4347631), (13243, 1534458), (26486, 767229), (39729, 511486), (79458, 255743)]