20370981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3733}}^1$

素因数の和:3860

約数の個数: 16

約数和(自身を含む): 29035584

約数和(自身を除く): 8664603

約数列:

[1, 3, 17, 51, 107, 321, 1819, 3733, 5457, 11199, 63461, 190383, 399431, 1198293, 6790327, 20370981]

約数ペア:

[(1, 20370981), (3, 6790327), (17, 1198293), (51, 399431), (107, 190383), (321, 63461), (1819, 11199), (3733, 5457)]