20177887786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4548

約数の個数: 96

約数和(自身を含む): 38992942080

約数和(自身を除く): 18815054294

約数列:

[1, 2, 7, 14, 19, 29, 31, 38, 58, 62, 133, 203, 217, 266, 361, 406, 434, 551, 589, 722, 899, 1102, 1178, 1798, 2527, 3857, 4123, 4441, 5054, 6293, 7714, 8246, 8882, 10469, 11191, 12586, 17081, 20938, 22382, 31087, 34162, 62174, 73283, 78337, 84379, 119567, 128789, 137671, 146566, 156674, 168758, 239134, 257578, 275342, 324539, 590653, 649078, 901523, 963697, 1181306, 1603201, 1803046, 1927394, 2271773, 2446991, 2615749, 3206402, 3992459, 4543546, 4893982, 5231498, 7984918, 11222407, 17128937, 18310243, 22444814, 27947213, 34257874, 36620486, 46492829, 49699231, 55894426, 75856721, 92985658, 99398462, 151713442, 325449803, 347894617, 530997047, 650899606, 695789234, 1061994094, 1441277699, 2882555398, 10088943893, 20177887786]

約数ペア:

[(1, 20177887786), (2, 10088943893), (7, 2882555398), (14, 1441277699), (19, 1061994094), (29, 695789234), (31, 650899606), (38, 530997047), (58, 347894617), (62, 325449803), (133, 151713442), (203, 99398462), (217, 92985658), (266, 75856721), (361, 55894426), (406, 49699231), (434, 46492829), (551, 36620486), (589, 34257874), (722, 27947213), (899, 22444814), (1102, 18310243), (1178, 17128937), (1798, 11222407), (2527, 7984918), (3857, 5231498), (4123, 4893982), (4441, 4543546), (5054, 3992459), (6293, 3206402), (7714, 2615749), (8246, 2446991), (8882, 2271773), (10469, 1927394), (11191, 1803046), (12586, 1603201), (17081, 1181306), (20938, 963697), (22382, 901523), (31087, 649078), (34162, 590653), (62174, 324539), (73283, 275342), (78337, 257578), (84379, 239134), (119567, 168758), (128789, 156674), (137671, 146566)]