20123070678815

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{1233709}}^1$

素因数の和:1234036

約数の個数: 48

約数和(自身を含む): 26550426168000

約数和(自身を除く): 6427355489185

約数列:

[1, 5, 13, 65, 97, 169, 199, 485, 845, 995, 1261, 2587, 6305, 12935, 16393, 19303, 33631, 81965, 96515, 168155, 250939, 1233709, 1254695, 3262207, 6168545, 16038217, 16311035, 80191085, 119669773, 208496821, 245508091, 598348865, 1042484105, 1227540455, 1555707049, 3191605183, 7778535245, 15958025915, 20224191637, 23814284827, 41490867379, 101120958185, 119071424135, 207454336895, 309585702751, 1547928513755, 4024614135763, 20123070678815]

約数ペア:

[(1, 20123070678815), (5, 4024614135763), (13, 1547928513755), (65, 309585702751), (97, 207454336895), (169, 119071424135), (199, 101120958185), (485, 41490867379), (845, 23814284827), (995, 20224191637), (1261, 15958025915), (2587, 7778535245), (6305, 3191605183), (12935, 1555707049), (16393, 1227540455), (19303, 1042484105), (33631, 598348865), (81965, 245508091), (96515, 208496821), (168155, 119669773), (250939, 80191085), (1233709, 16311035), (1254695, 16038217), (3262207, 6168545)]