20580451515

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{40577}}^1$

素因数の和:40638

約数の個数: 96

約数和(自身を含む): 41857018560

約数和(自身を除く): 21276567045

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 289, 351, 459, 585, 663, 765, 867, 1105, 1445, 1755, 1989, 2295, 2601, 3315, 3757, 4335, 5967, 7803, 9945, 11271, 13005, 18785, 29835, 33813, 39015, 40577, 56355, 101439, 121731, 169065, 202885, 365193, 507195, 527501, 608655, 689809, 1095579, 1582503, 1825965, 2069427, 2637505, 3449045, 4747509, 5477895, 6208281, 7912515, 8967517, 10347135, 11726753, 14242527, 18624843, 23737545, 26902551, 31041405, 35180259, 44837585, 58633765, 71212635, 80707653, 93124215, 105540777, 134512755, 152447789, 175901295, 242122959, 316622331, 403538265, 457343367, 527703885, 762238945, 1210614795, 1372030101, 1583111655, 2286716835, 4116090303, 6860150505, 20580451515]

約数ペア:

[(1, 20580451515), (3, 6860150505), (5, 4116090303), (9, 2286716835), (13, 1583111655), (15, 1372030101), (17, 1210614795), (27, 762238945), (39, 527703885), (45, 457343367), (51, 403538265), (65, 316622331), (85, 242122959), (117, 175901295), (135, 152447789), (153, 134512755), (195, 105540777), (221, 93124215), (255, 80707653), (289, 71212635), (351, 58633765), (459, 44837585), (585, 35180259), (663, 31041405), (765, 26902551), (867, 23737545), (1105, 18624843), (1445, 14242527), (1755, 11726753), (1989, 10347135), (2295, 8967517), (2601, 7912515), (3315, 6208281), (3757, 5477895), (4335, 4747509), (5967, 3449045), (7803, 2637505), (9945, 2069427), (11271, 1825965), (13005, 1582503), (18785, 1095579), (29835, 689809), (33813, 608655), (39015, 527501), (40577, 507195), (56355, 365193), (101439, 202885), (121731, 169065)]