20126763760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3697}}^1\times {\mathrm{4003}}^1$

素因数の和:7730

約数の個数: 80

約数和(自身を含む): 49573139616

約数和(自身を除く): 29446375856

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 3697, 4003, 7394, 8006, 14788, 16012, 18485, 20015, 29576, 32024, 36970, 40030, 59152, 62849, 64048, 68051, 73940, 80060, 125698, 136102, 147880, 160120, 251396, 272204, 295760, 314245, 320240, 340255, 502792, 544408, 628490, 680510, 1005584, 1088816, 1256980, 1361020, 2513960, 2722040, 5027920, 5444080, 14799091, 29598182, 59196364, 73995455, 118392728, 147990910, 236785456, 251584547, 295981820, 503169094, 591963640, 1006338188, 1183927280, 1257922735, 2012676376, 2515845470, 4025352752, 5031690940, 10063381880, 20126763760]

約数ペア:

[(1, 20126763760), (2, 10063381880), (4, 5031690940), (5, 4025352752), (8, 2515845470), (10, 2012676376), (16, 1257922735), (17, 1183927280), (20, 1006338188), (34, 591963640), (40, 503169094), (68, 295981820), (80, 251584547), (85, 236785456), (136, 147990910), (170, 118392728), (272, 73995455), (340, 59196364), (680, 29598182), (1360, 14799091), (3697, 5444080), (4003, 5027920), (7394, 2722040), (8006, 2513960), (14788, 1361020), (16012, 1256980), (18485, 1088816), (20015, 1005584), (29576, 680510), (32024, 628490), (36970, 544408), (40030, 502792), (59152, 340255), (62849, 320240), (64048, 314245), (68051, 295760), (73940, 272204), (80060, 251396), (125698, 160120), (136102, 147880)]