20797046908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{472660157}}^1$

素因数の和:472660172

約数の個数: 12

約数和(自身を含む): 39703453272

約数和(自身を除く): 18906406364

約数列:

[1, 2, 4, 11, 22, 44, 472660157, 945320314, 1890640628, 5199261727, 10398523454, 20797046908]

約数ペア:

[(1, 20797046908), (2, 10398523454), (4, 5199261727), (11, 1890640628), (22, 945320314), (44, 472660157)]