20975526

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 55429920

約数和(自身を除く): 34454394

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 29, 33, 39, 58, 66, 78, 87, 99, 117, 143, 174, 198, 234, 261, 281, 286, 319, 377, 429, 522, 562, 638, 754, 843, 858, 957, 1131, 1287, 1686, 1914, 2262, 2529, 2574, 2871, 3091, 3393, 3653, 4147, 5058, 5742, 6182, 6786, 7306, 8149, 8294, 9273, 10959, 12441, 16298, 18546, 21918, 24447, 24882, 27819, 32877, 37323, 40183, 48894, 55638, 65754, 73341, 74646, 80366, 89639, 105937, 120549, 146682, 179278, 211874, 241098, 268917, 317811, 361647, 537834, 635622, 723294, 806751, 953433, 1165307, 1613502, 1906866, 2330614, 3495921, 6991842, 10487763, 20975526]

約数ペア:

[(1, 20975526), (2, 10487763), (3, 6991842), (6, 3495921), (9, 2330614), (11, 1906866), (13, 1613502), (18, 1165307), (22, 953433), (26, 806751), (29, 723294), (33, 635622), (39, 537834), (58, 361647), (66, 317811), (78, 268917), (87, 241098), (99, 211874), (117, 179278), (143, 146682), (174, 120549), (198, 105937), (234, 89639), (261, 80366), (281, 74646), (286, 73341), (319, 65754), (377, 55638), (429, 48894), (522, 40183), (562, 37323), (638, 32877), (754, 27819), (843, 24882), (858, 24447), (957, 21918), (1131, 18546), (1287, 16298), (1686, 12441), (1914, 10959), (2262, 9273), (2529, 8294), (2574, 8149), (2871, 7306), (3091, 6786), (3393, 6182), (3653, 5742), (4147, 5058)]