20093368672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{210923}}^1$

素因数の和:211175

約数の個数: 48

約数和(自身を含む): 42788042640

約数和(自身を除く): 22694673968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 229, 416, 458, 916, 1832, 2977, 3664, 5954, 7328, 11908, 23816, 47632, 95264, 210923, 421846, 843692, 1687384, 2741999, 3374768, 5483998, 6749536, 10967996, 21935992, 43871984, 48301367, 87743968, 96602734, 193205468, 386410936, 627917771, 772821872, 1255835542, 1545643744, 2511671084, 5023342168, 10046684336, 20093368672]

約数ペア:

[(1, 20093368672), (2, 10046684336), (4, 5023342168), (8, 2511671084), (13, 1545643744), (16, 1255835542), (26, 772821872), (32, 627917771), (52, 386410936), (104, 193205468), (208, 96602734), (229, 87743968), (416, 48301367), (458, 43871984), (916, 21935992), (1832, 10967996), (2977, 6749536), (3664, 5483998), (5954, 3374768), (7328, 2741999), (11908, 1687384), (23816, 843692), (47632, 421846), (95264, 210923)]