20339654

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:931

約数の個数: 16

約数和(自身を含む): 31124736

約数和(自身を除く): 10785082

約数列:

[1, 2, 71, 142, 227, 454, 631, 1262, 16117, 32234, 44801, 89602, 143237, 286474, 10169827, 20339654]

約数ペア:

[(1, 20339654), (2, 10169827), (71, 286474), (142, 143237), (227, 89602), (454, 44801), (631, 32234), (1262, 16117)]