20079648

素因数分解:

$2^5\times 3^2\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:746

約数の個数: 72

約数和(自身を含む): 57700188

約数和(自身を除く): 37620540

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 113, 144, 226, 288, 339, 452, 617, 678, 904, 1017, 1234, 1356, 1808, 1851, 2034, 2468, 2712, 3616, 3702, 4068, 4936, 5424, 5553, 7404, 8136, 9872, 10848, 11106, 14808, 16272, 19744, 22212, 29616, 32544, 44424, 59232, 69721, 88848, 139442, 177696, 209163, 278884, 418326, 557768, 627489, 836652, 1115536, 1254978, 1673304, 2231072, 2509956, 3346608, 5019912, 6693216, 10039824, 20079648]

約数ペア:

[(1, 20079648), (2, 10039824), (3, 6693216), (4, 5019912), (6, 3346608), (8, 2509956), (9, 2231072), (12, 1673304), (16, 1254978), (18, 1115536), (24, 836652), (32, 627489), (36, 557768), (48, 418326), (72, 278884), (96, 209163), (113, 177696), (144, 139442), (226, 88848), (288, 69721), (339, 59232), (452, 44424), (617, 32544), (678, 29616), (904, 22212), (1017, 19744), (1234, 16272), (1356, 14808), (1808, 11106), (1851, 10848), (2034, 9872), (2468, 8136), (2712, 7404), (3616, 5553), (3702, 5424), (4068, 4936)]