20524438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2281}}^1$

素因数の和:2703

約数の個数: 16

約数和(自身を含む): 33682320

約数和(自身を除く): 13157882

約数列:

[1, 2, 11, 22, 409, 818, 2281, 4499, 4562, 8998, 25091, 50182, 932929, 1865858, 10262219, 20524438]

約数ペア:

[(1, 20524438), (2, 10262219), (11, 1865858), (22, 932929), (409, 50182), (818, 25091), (2281, 8998), (4499, 4562)]