20732987

素因数分解:

${\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 16

約数和(自身を含む): 23476704

約数和(自身を除く): 2743717

約数列:

[1, 11, 37, 121, 407, 421, 1331, 4477, 4631, 15577, 49247, 50941, 171347, 560351, 1884817, 20732987]

約数ペア:

[(1, 20732987), (11, 1884817), (37, 560351), (121, 171347), (407, 50941), (421, 49247), (1331, 15577), (4477, 4631)]