20019039

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6173}}^1$

素因数の和:6246

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 8430753

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6173, 18519, 141979, 290131, 425937, 870393, 6673013, 20019039]

約数ペア:

[(1, 20019039), (3, 6673013), (23, 870393), (47, 425937), (69, 290131), (141, 141979), (1081, 18519), (3243, 6173)]