20120647168

素因数分解:

$2^9\times {\mathrm{4447}}^1\times {\mathrm{8837}}^1$

素因数の和:13302

約数の個数: 40

約数和(自身を含む): 40215586752

約数和(自身を除く): 20094939584

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 4447, 8837, 8894, 17674, 17788, 35348, 35576, 70696, 71152, 141392, 142304, 282784, 284608, 565568, 569216, 1131136, 1138432, 2262272, 2276864, 4524544, 39298139, 78596278, 157192556, 314385112, 628770224, 1257540448, 2515080896, 5030161792, 10060323584, 20120647168]

約数ペア:

[(1, 20120647168), (2, 10060323584), (4, 5030161792), (8, 2515080896), (16, 1257540448), (32, 628770224), (64, 314385112), (128, 157192556), (256, 78596278), (512, 39298139), (4447, 4524544), (8837, 2276864), (8894, 2262272), (17674, 1138432), (17788, 1131136), (35348, 569216), (35576, 565568), (70696, 284608), (71152, 282784), (141392, 142304)]