20403488403

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 30124723200

約数和(自身を除く): 9721234797

約数列:

[1, 3, 9, 109, 127, 327, 381, 389, 421, 981, 1143, 1167, 1263, 3501, 3789, 13843, 41529, 42401, 45889, 49403, 53467, 124587, 127203, 137667, 148209, 160401, 163769, 381609, 413001, 444627, 481203, 491307, 1473921, 5384927, 5827903, 16154781, 17483709, 17850821, 20798663, 48464343, 52451127, 53552463, 62395989, 160657389, 187187967, 2267054267, 6801162801, 20403488403]

約数ペア:

[(1, 20403488403), (3, 6801162801), (9, 2267054267), (109, 187187967), (127, 160657389), (327, 62395989), (381, 53552463), (389, 52451127), (421, 48464343), (981, 20798663), (1143, 17850821), (1167, 17483709), (1263, 16154781), (3501, 5827903), (3789, 5384927), (13843, 1473921), (41529, 491307), (42401, 481203), (45889, 444627), (49403, 413001), (53467, 381609), (124587, 163769), (127203, 160401), (137667, 148209)]