20791608912

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{30727}}^1$

素因数の和:30905

約数の個数: 120

約数和(自身を含む): 60232779776

約数和(自身を除く): 39441170864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 127, 144, 148, 222, 254, 296, 333, 381, 444, 508, 592, 666, 762, 888, 1016, 1143, 1332, 1524, 1776, 2032, 2286, 2664, 3048, 4572, 4699, 5328, 6096, 9144, 9398, 14097, 18288, 18796, 28194, 30727, 37592, 42291, 56388, 61454, 75184, 84582, 92181, 112776, 122908, 169164, 184362, 225552, 245816, 276543, 338328, 368724, 491632, 553086, 676656, 737448, 1106172, 1136899, 1474896, 2212344, 2273798, 3410697, 3902329, 4424688, 4547596, 6821394, 7804658, 9095192, 10232091, 11706987, 13642788, 15609316, 18190384, 20464182, 23413974, 27285576, 31218632, 35120961, 40928364, 46827948, 54571152, 62437264, 70241922, 81856728, 93655896, 140483844, 144386173, 163713456, 187311792, 280967688, 288772346, 433158519, 561935376, 577544692, 866317038, 1155089384, 1299475557, 1732634076, 2310178768, 2598951114, 3465268152, 5197902228, 6930536304, 10395804456, 20791608912]

約数ペア:

[(1, 20791608912), (2, 10395804456), (3, 6930536304), (4, 5197902228), (6, 3465268152), (8, 2598951114), (9, 2310178768), (12, 1732634076), (16, 1299475557), (18, 1155089384), (24, 866317038), (36, 577544692), (37, 561935376), (48, 433158519), (72, 288772346), (74, 280967688), (111, 187311792), (127, 163713456), (144, 144386173), (148, 140483844), (222, 93655896), (254, 81856728), (296, 70241922), (333, 62437264), (381, 54571152), (444, 46827948), (508, 40928364), (592, 35120961), (666, 31218632), (762, 27285576), (888, 23413974), (1016, 20464182), (1143, 18190384), (1332, 15609316), (1524, 13642788), (1776, 11706987), (2032, 10232091), (2286, 9095192), (2664, 7804658), (3048, 6821394), (4572, 4547596), (4699, 4424688), (5328, 3902329), (6096, 3410697), (9144, 2273798), (9398, 2212344), (14097, 1474896), (18288, 1136899), (18796, 1106172), (28194, 737448), (30727, 676656), (37592, 553086), (42291, 491632), (56388, 368724), (61454, 338328), (75184, 276543), (84582, 245816), (92181, 225552), (112776, 184362), (122908, 169164)]