20055867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7243}}^1$

素因数の和:7330

約数の個数: 16

約数和(自身を含む): 29207808

約数和(自身を除く): 9151941

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7243, 21729, 94159, 282477, 514253, 1542759, 6685289, 20055867]

約数ペア:

[(1, 20055867), (3, 6685289), (13, 1542759), (39, 514253), (71, 282477), (213, 94159), (923, 21729), (2769, 7243)]