20091908

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{39551}}^1$

素因数の和:39682

約数の個数: 12

約数和(自身を含む): 35438592

約数和(自身を除く): 15346684

約数列:

[1, 2, 4, 127, 254, 508, 39551, 79102, 158204, 5022977, 10045954, 20091908]

約数ペア:

[(1, 20091908), (2, 10045954), (4, 5022977), (127, 158204), (254, 79102), (508, 39551)]