20371744

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22085216

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 89, 92, 178, 184, 311, 356, 368, 622, 712, 736, 1244, 1424, 2047, 2488, 2848, 4094, 4976, 7153, 8188, 9952, 14306, 16376, 27679, 28612, 32752, 55358, 57224, 65504, 110716, 114448, 221432, 228896, 442864, 636617, 885728, 1273234, 2546468, 5092936, 10185872, 20371744]

約数ペア:

[(1, 20371744), (2, 10185872), (4, 5092936), (8, 2546468), (16, 1273234), (23, 885728), (32, 636617), (46, 442864), (89, 228896), (92, 221432), (178, 114448), (184, 110716), (311, 65504), (356, 57224), (368, 55358), (622, 32752), (712, 28612), (736, 27679), (1244, 16376), (1424, 14306), (2047, 9952), (2488, 8188), (2848, 7153), (4094, 4976)]