20168060157

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{1499}}^1$

素因数の和:1968

約数の個数: 80

約数和(自身を含む): 35109360000

約数和(自身を除く): 14941299843

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 389, 427, 549, 567, 1167, 1281, 1499, 1647, 2723, 3501, 3843, 4497, 4941, 8169, 10493, 10503, 11529, 13491, 23729, 24507, 31479, 31509, 34587, 40473, 71187, 73521, 91439, 94437, 121419, 166103, 213561, 220563, 274317, 283311, 498309, 583111, 640073, 640683, 822951, 849933, 1494927, 1749333, 1920219, 1922049, 2468853, 4081777, 4484781, 5247999, 5760657, 7406559, 12245331, 13454343, 15743997, 17281971, 35569771, 36735993, 47231991, 51845913, 106709313, 110207979, 248988397, 320127939, 330623937, 746965191, 960383817, 2240895573, 2881151451, 6722686719, 20168060157]

約数ペア:

[(1, 20168060157), (3, 6722686719), (7, 2881151451), (9, 2240895573), (21, 960383817), (27, 746965191), (61, 330623937), (63, 320127939), (81, 248988397), (183, 110207979), (189, 106709313), (389, 51845913), (427, 47231991), (549, 36735993), (567, 35569771), (1167, 17281971), (1281, 15743997), (1499, 13454343), (1647, 12245331), (2723, 7406559), (3501, 5760657), (3843, 5247999), (4497, 4484781), (4941, 4081777), (8169, 2468853), (10493, 1922049), (10503, 1920219), (11529, 1749333), (13491, 1494927), (23729, 849933), (24507, 822951), (31479, 640683), (31509, 640073), (34587, 583111), (40473, 498309), (71187, 283311), (73521, 274317), (91439, 220563), (94437, 213561), (121419, 166103)]