20272936

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19643864

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 239, 461, 478, 922, 956, 1844, 1912, 3688, 5497, 10603, 10994, 21206, 21988, 42412, 43976, 84824, 110179, 220358, 440716, 881432, 2534117, 5068234, 10136468, 20272936]

約数ペア:

[(1, 20272936), (2, 10136468), (4, 5068234), (8, 2534117), (23, 881432), (46, 440716), (92, 220358), (184, 110179), (239, 84824), (461, 43976), (478, 42412), (922, 21988), (956, 21206), (1844, 10994), (1912, 10603), (3688, 5497)]