20186901855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 39261602016

約数和(自身を除く): 19074700161

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 83, 85, 115, 153, 207, 249, 255, 345, 391, 415, 529, 601, 747, 765, 1035, 1173, 1245, 1411, 1587, 1803, 1909, 1955, 2645, 3005, 3519, 3735, 4233, 4761, 5409, 5727, 5865, 7055, 7935, 8993, 9015, 9545, 10217, 12699, 13823, 17181, 17595, 21165, 23805, 26979, 27045, 28635, 30651, 32453, 41469, 43907, 44965, 49883, 51085, 63495, 69115, 80937, 85905, 91953, 97359, 124407, 131721, 134895, 149649, 153255, 162265, 207345, 219535, 234991, 249415, 292077, 317929, 395163, 404685, 448947, 459765, 486795, 622035, 658605, 704973, 746419, 748245, 848011, 953787, 1147309, 1174955, 1460385, 1589645, 1975815, 2114919, 2239257, 2244735, 2544033, 2861361, 3441927, 3524865, 3732095, 4240055, 4768935, 5404793, 5736545, 6717771, 7632099, 10325781, 10574595, 11196285, 12720165, 14306805, 16214379, 17209635, 19504253, 26388107, 27023965, 33588855, 38160495, 48643137, 51628905, 58512759, 79164321, 81071895, 97521265, 131940535, 175538277, 237492963, 243215685, 292563795, 395821605, 448597819, 877691385, 1187464815, 1345793457, 2242989095, 4037380371, 6728967285, 20186901855]

約数ペア:

[(1, 20186901855), (3, 6728967285), (5, 4037380371), (9, 2242989095), (15, 1345793457), (17, 1187464815), (23, 877691385), (45, 448597819), (51, 395821605), (69, 292563795), (83, 243215685), (85, 237492963), (115, 175538277), (153, 131940535), (207, 97521265), (249, 81071895), (255, 79164321), (345, 58512759), (391, 51628905), (415, 48643137), (529, 38160495), (601, 33588855), (747, 27023965), (765, 26388107), (1035, 19504253), (1173, 17209635), (1245, 16214379), (1411, 14306805), (1587, 12720165), (1803, 11196285), (1909, 10574595), (1955, 10325781), (2645, 7632099), (3005, 6717771), (3519, 5736545), (3735, 5404793), (4233, 4768935), (4761, 4240055), (5409, 3732095), (5727, 3524865), (5865, 3441927), (7055, 2861361), (7935, 2544033), (8993, 2244735), (9015, 2239257), (9545, 2114919), (10217, 1975815), (12699, 1589645), (13823, 1460385), (17181, 1174955), (17595, 1147309), (21165, 953787), (23805, 848011), (26979, 748245), (27045, 746419), (28635, 704973), (30651, 658605), (32453, 622035), (41469, 486795), (43907, 459765), (44965, 448947), (49883, 404685), (51085, 395163), (63495, 317929), (69115, 292077), (80937, 249415), (85905, 234991), (91953, 219535), (97359, 207345), (124407, 162265), (131721, 153255), (134895, 149649)]