20111974785

素因数分解:

$3^4\times 5^1\times 7^3\times {\mathrm{144779}}^1$

素因数の和:144817

約数の個数: 80

約数和(自身を含む): 42044112000

約数和(自身を除く): 21932137215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 343, 405, 441, 567, 735, 945, 1029, 1323, 1715, 2205, 2835, 3087, 3969, 5145, 6615, 9261, 15435, 19845, 27783, 46305, 138915, 144779, 434337, 723895, 1013453, 1303011, 2171685, 3040359, 3909033, 5067265, 6515055, 7094171, 9121077, 11727099, 15201795, 19545165, 21282513, 27363231, 35470855, 45605385, 49659197, 58635495, 63847539, 82089693, 106412565, 136816155, 148977591, 191542617, 248295985, 319237695, 410448465, 446932773, 574627851, 744887955, 957713085, 1340798319, 2234663865, 2873139255, 4022394957, 6703991595, 20111974785]

約数ペア:

[(1, 20111974785), (3, 6703991595), (5, 4022394957), (7, 2873139255), (9, 2234663865), (15, 1340798319), (21, 957713085), (27, 744887955), (35, 574627851), (45, 446932773), (49, 410448465), (63, 319237695), (81, 248295985), (105, 191542617), (135, 148977591), (147, 136816155), (189, 106412565), (245, 82089693), (315, 63847539), (343, 58635495), (405, 49659197), (441, 45605385), (567, 35470855), (735, 27363231), (945, 21282513), (1029, 19545165), (1323, 15201795), (1715, 11727099), (2205, 9121077), (2835, 7094171), (3087, 6515055), (3969, 5067265), (5145, 3909033), (6615, 3040359), (9261, 2171685), (15435, 1303011), (19845, 1013453), (27783, 723895), (46305, 434337), (138915, 144779)]