20223810621

素因数分解:

$3^3\times 7^3\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 36126720000

約数和(自身を除く): 15902909379

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 97, 141, 147, 189, 291, 329, 343, 423, 441, 479, 679, 873, 987, 1029, 1269, 1323, 1437, 2037, 2303, 2619, 2961, 3087, 3353, 4311, 4559, 4753, 6111, 6909, 8883, 9261, 10059, 12933, 13677, 14259, 16121, 18333, 20727, 22513, 23471, 30177, 31913, 33271, 41031, 42777, 46463, 48363, 62181, 67539, 70413, 90531, 95739, 99813, 123093, 128331, 139389, 145089, 157591, 164297, 202617, 211239, 223391, 287217, 299439, 325241, 418167, 435267, 472773, 492891, 607851, 633717, 670173, 861651, 898317, 975723, 1103137, 1254501, 1418319, 1478673, 1563737, 2010519, 2183761, 2276687, 2927169, 3309411, 4254957, 4436019, 4691211, 6031557, 6551283, 6830061, 7721959, 8781507, 9928233, 14073633, 15286327, 15936809, 19653849, 20490183, 23165877, 29784699, 42220899, 45858981, 47810427, 58961547, 61470549, 69497631, 107004289, 137576943, 143431281, 208492893, 321012867, 412730829, 430293843, 749030023, 963038601, 2247090069, 2889115803, 6741270207, 20223810621]

約数ペア:

[(1, 20223810621), (3, 6741270207), (7, 2889115803), (9, 2247090069), (21, 963038601), (27, 749030023), (47, 430293843), (49, 412730829), (63, 321012867), (97, 208492893), (141, 143431281), (147, 137576943), (189, 107004289), (291, 69497631), (329, 61470549), (343, 58961547), (423, 47810427), (441, 45858981), (479, 42220899), (679, 29784699), (873, 23165877), (987, 20490183), (1029, 19653849), (1269, 15936809), (1323, 15286327), (1437, 14073633), (2037, 9928233), (2303, 8781507), (2619, 7721959), (2961, 6830061), (3087, 6551283), (3353, 6031557), (4311, 4691211), (4559, 4436019), (4753, 4254957), (6111, 3309411), (6909, 2927169), (8883, 2276687), (9261, 2183761), (10059, 2010519), (12933, 1563737), (13677, 1478673), (14259, 1418319), (16121, 1254501), (18333, 1103137), (20727, 975723), (22513, 898317), (23471, 861651), (30177, 670173), (31913, 633717), (33271, 607851), (41031, 492891), (42777, 472773), (46463, 435267), (48363, 418167), (62181, 325241), (67539, 299439), (70413, 287217), (90531, 223391), (95739, 211239), (99813, 202617), (123093, 164297), (128331, 157591), (139389, 145089)]