20145142953

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{233}}^1\times {\mathrm{2557}}^1$

素因数の和:2843

約数の個数: 72

約数和(自身を含む): 33444611928

約数和(自身を除く): 13299468975

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 233, 289, 663, 699, 867, 1989, 2097, 2557, 2601, 3029, 3757, 3961, 7671, 9087, 11271, 11883, 23013, 27261, 33241, 33813, 35649, 43469, 51493, 67337, 99723, 130407, 154479, 202011, 299169, 391221, 463437, 565097, 595781, 606033, 738973, 875381, 1695291, 1787343, 2216919, 2626143, 5085873, 5362029, 6650757, 7745153, 7878429, 9606649, 10128277, 23235459, 28819947, 30384831, 69706377, 86459841, 91154493, 131667601, 172180709, 395002803, 516542127, 1185008409, 1549626381, 2238349217, 6715047651, 20145142953]

約数ペア:

[(1, 20145142953), (3, 6715047651), (9, 2238349217), (13, 1549626381), (17, 1185008409), (39, 516542127), (51, 395002803), (117, 172180709), (153, 131667601), (221, 91154493), (233, 86459841), (289, 69706377), (663, 30384831), (699, 28819947), (867, 23235459), (1989, 10128277), (2097, 9606649), (2557, 7878429), (2601, 7745153), (3029, 6650757), (3757, 5362029), (3961, 5085873), (7671, 2626143), (9087, 2216919), (11271, 1787343), (11883, 1695291), (23013, 875381), (27261, 738973), (33241, 606033), (33813, 595781), (35649, 565097), (43469, 463437), (51493, 391221), (67337, 299169), (99723, 202011), (130407, 154479)]