20360888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 19728712

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 239, 463, 478, 926, 956, 1852, 1912, 3704, 5497, 10649, 10994, 21298, 21988, 42596, 43976, 85192, 110657, 221314, 442628, 885256, 2545111, 5090222, 10180444, 20360888]

約数ペア:

[(1, 20360888), (2, 10180444), (4, 5090222), (8, 2545111), (23, 885256), (46, 442628), (92, 221314), (184, 110657), (239, 85192), (463, 43976), (478, 42596), (926, 21988), (956, 21298), (1852, 10994), (1912, 10649), (3704, 5497)]