20829536

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 32005792

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 224, 299, 311, 322, 364, 368, 416, 598, 622, 644, 728, 736, 1196, 1244, 1288, 1456, 2093, 2177, 2392, 2488, 2576, 2912, 4043, 4186, 4354, 4784, 4976, 5152, 7153, 8086, 8372, 8708, 9568, 9952, 14306, 16172, 16744, 17416, 28301, 28612, 32344, 33488, 34832, 50071, 56602, 57224, 64688, 66976, 69664, 92989, 100142, 113204, 114448, 129376, 185978, 200284, 226408, 228896, 371956, 400568, 452816, 650923, 743912, 801136, 905632, 1301846, 1487824, 1602272, 2603692, 2975648, 5207384, 10414768, 20829536]

約数ペア:

[(1, 20829536), (2, 10414768), (4, 5207384), (7, 2975648), (8, 2603692), (13, 1602272), (14, 1487824), (16, 1301846), (23, 905632), (26, 801136), (28, 743912), (32, 650923), (46, 452816), (52, 400568), (56, 371956), (91, 228896), (92, 226408), (104, 200284), (112, 185978), (161, 129376), (182, 114448), (184, 113204), (208, 100142), (224, 92989), (299, 69664), (311, 66976), (322, 64688), (364, 57224), (368, 56602), (416, 50071), (598, 34832), (622, 33488), (644, 32344), (728, 28612), (736, 28301), (1196, 17416), (1244, 16744), (1288, 16172), (1456, 14306), (2093, 9952), (2177, 9568), (2392, 8708), (2488, 8372), (2576, 8086), (2912, 7153), (4043, 5152), (4186, 4976), (4354, 4784)]