20011446

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 56259840

約数和(自身を除く): 36248394

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 643, 741, 798, 819, 1197, 1286, 1482, 1638, 1729, 1929, 2223, 2394, 3458, 3858, 4446, 4501, 5187, 5787, 8359, 9002, 10374, 11574, 12217, 13503, 15561, 16718, 24434, 25077, 27006, 31122, 36651, 40509, 50154, 58513, 73302, 75231, 81018, 85519, 109953, 117026, 150462, 158821, 171038, 175539, 219906, 256557, 317642, 351078, 476463, 513114, 526617, 769671, 952926, 1053234, 1111747, 1429389, 1539342, 2223494, 2858778, 3335241, 6670482, 10005723, 20011446]

約数ペア:

[(1, 20011446), (2, 10005723), (3, 6670482), (6, 3335241), (7, 2858778), (9, 2223494), (13, 1539342), (14, 1429389), (18, 1111747), (19, 1053234), (21, 952926), (26, 769671), (38, 526617), (39, 513114), (42, 476463), (57, 351078), (63, 317642), (78, 256557), (91, 219906), (114, 175539), (117, 171038), (126, 158821), (133, 150462), (171, 117026), (182, 109953), (234, 85519), (247, 81018), (266, 75231), (273, 73302), (342, 58513), (399, 50154), (494, 40509), (546, 36651), (643, 31122), (741, 27006), (798, 25077), (819, 24434), (1197, 16718), (1286, 15561), (1482, 13503), (1638, 12217), (1729, 11574), (1929, 10374), (2223, 9002), (2394, 8359), (3458, 5787), (3858, 5187), (4446, 4501)]