20789792

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 43690752

約数和(自身を除く): 22900960

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 92, 94, 184, 188, 368, 376, 601, 736, 752, 1081, 1202, 1504, 2162, 2404, 4324, 4808, 8648, 9616, 13823, 17296, 19232, 27646, 28247, 34592, 55292, 56494, 110584, 112988, 221168, 225976, 442336, 451952, 649681, 903904, 1299362, 2598724, 5197448, 10394896, 20789792]

約数ペア:

[(1, 20789792), (2, 10394896), (4, 5197448), (8, 2598724), (16, 1299362), (23, 903904), (32, 649681), (46, 451952), (47, 442336), (92, 225976), (94, 221168), (184, 112988), (188, 110584), (368, 56494), (376, 55292), (601, 34592), (736, 28247), (752, 27646), (1081, 19232), (1202, 17296), (1504, 13823), (2162, 9616), (2404, 8648), (4324, 4808)]