20306688

素因数分解:

$2^8\times 3^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 54721968

約数和(自身を除く): 34415280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 193, 256, 274, 384, 386, 411, 548, 579, 768, 772, 822, 1096, 1158, 1544, 1644, 2192, 2316, 3088, 3288, 4384, 4632, 6176, 6576, 8768, 9264, 12352, 13152, 17536, 18528, 24704, 26304, 26441, 35072, 37056, 49408, 52608, 52882, 74112, 79323, 105216, 105764, 148224, 158646, 211528, 317292, 423056, 634584, 846112, 1269168, 1692224, 2538336, 3384448, 5076672, 6768896, 10153344, 20306688]

約数ペア:

[(1, 20306688), (2, 10153344), (3, 6768896), (4, 5076672), (6, 3384448), (8, 2538336), (12, 1692224), (16, 1269168), (24, 846112), (32, 634584), (48, 423056), (64, 317292), (96, 211528), (128, 158646), (137, 148224), (192, 105764), (193, 105216), (256, 79323), (274, 74112), (384, 52882), (386, 52608), (411, 49408), (548, 37056), (579, 35072), (768, 26441), (772, 26304), (822, 24704), (1096, 18528), (1158, 17536), (1544, 13152), (1644, 12352), (2192, 9264), (2316, 8768), (3088, 6576), (3288, 6176), (4384, 4632)]