20404644906

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1\times {\mathrm{1193}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 42158019456

約数和(自身を除く): 21753374550

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 251, 277, 502, 554, 753, 831, 1193, 1506, 1662, 2386, 3579, 7158, 10291, 11357, 20582, 22714, 30873, 34071, 48913, 61746, 68142, 69527, 97826, 139054, 146739, 208581, 293478, 299443, 330461, 417162, 598886, 660922, 898329, 991383, 1796658, 1982766, 2850607, 5701214, 8551821, 12277163, 13548901, 17103642, 24554326, 27097802, 36831489, 40646703, 73662978, 81293406, 82945711, 165891422, 248837133, 497674266, 3400774151, 6801548302, 10202322453, 20404644906]

約数ペア:

[(1, 20404644906), (2, 10202322453), (3, 6801548302), (6, 3400774151), (41, 497674266), (82, 248837133), (123, 165891422), (246, 82945711), (251, 81293406), (277, 73662978), (502, 40646703), (554, 36831489), (753, 27097802), (831, 24554326), (1193, 17103642), (1506, 13548901), (1662, 12277163), (2386, 8551821), (3579, 5701214), (7158, 2850607), (10291, 1982766), (11357, 1796658), (20582, 991383), (22714, 898329), (30873, 660922), (34071, 598886), (48913, 417162), (61746, 330461), (68142, 299443), (69527, 293478), (97826, 208581), (139054, 146739)]