20089851650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1171}}^1\times {\mathrm{31193}}^1$

素因数の和:32387

約数の個数: 48

約数和(自身を含む): 40800254688

約数和(自身を除く): 20710403038

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1171, 2342, 5855, 11710, 12881, 25762, 29275, 31193, 58550, 62386, 64405, 128810, 155965, 311930, 322025, 343123, 644050, 686246, 779825, 1559650, 1715615, 3431230, 8578075, 17156150, 36527003, 73054006, 182635015, 365270030, 401797033, 803594066, 913175075, 1826350150, 2008985165, 4017970330, 10044925825, 20089851650]

約数ペア:

[(1, 20089851650), (2, 10044925825), (5, 4017970330), (10, 2008985165), (11, 1826350150), (22, 913175075), (25, 803594066), (50, 401797033), (55, 365270030), (110, 182635015), (275, 73054006), (550, 36527003), (1171, 17156150), (2342, 8578075), (5855, 3431230), (11710, 1715615), (12881, 1559650), (25762, 779825), (29275, 686246), (31193, 644050), (58550, 343123), (62386, 322025), (64405, 311930), (128810, 155965)]