20198518488

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{77689}}^1$

素因数の和:77881

約数の個数: 96

約数和(自身を含む): 57447093600

約数和(自身を除く): 37248575112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 157, 184, 207, 276, 314, 414, 471, 552, 628, 828, 942, 1256, 1413, 1656, 1884, 2826, 3611, 3768, 5652, 7222, 10833, 11304, 14444, 21666, 28888, 32499, 43332, 64998, 77689, 86664, 129996, 155378, 233067, 259992, 310756, 466134, 621512, 699201, 932268, 1398402, 1786847, 1864536, 2796804, 3573694, 5360541, 5593608, 7147388, 10721082, 12197173, 14294776, 16081623, 21442164, 24394346, 32163246, 36591519, 42884328, 48788692, 64326492, 73183038, 97577384, 109774557, 128652984, 146366076, 219549114, 280534979, 292732152, 439098228, 561069958, 841604937, 878196456, 1122139916, 1683209874, 2244279832, 2524814811, 3366419748, 5049629622, 6732839496, 10099259244, 20198518488]

約数ペア:

[(1, 20198518488), (2, 10099259244), (3, 6732839496), (4, 5049629622), (6, 3366419748), (8, 2524814811), (9, 2244279832), (12, 1683209874), (18, 1122139916), (23, 878196456), (24, 841604937), (36, 561069958), (46, 439098228), (69, 292732152), (72, 280534979), (92, 219549114), (138, 146366076), (157, 128652984), (184, 109774557), (207, 97577384), (276, 73183038), (314, 64326492), (414, 48788692), (471, 42884328), (552, 36591519), (628, 32163246), (828, 24394346), (942, 21442164), (1256, 16081623), (1413, 14294776), (1656, 12197173), (1884, 10721082), (2826, 7147388), (3611, 5593608), (3768, 5360541), (5652, 3573694), (7222, 2796804), (10833, 1864536), (11304, 1786847), (14444, 1398402), (21666, 932268), (28888, 699201), (32499, 621512), (43332, 466134), (64998, 310756), (77689, 259992), (86664, 233067), (129996, 155378)]