20970297921

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3964889}}^1$

素因数の和:3964976

約数の個数: 16

約数和(自身を含む): 29308466880

約数和(自身を除く): 8338168959

約数列:

[1, 3, 41, 43, 123, 129, 1763, 5289, 3964889, 11894667, 162560449, 170490227, 487681347, 511470681, 6990099307, 20970297921]

約数ペア:

[(1, 20970297921), (3, 6990099307), (41, 511470681), (43, 487681347), (123, 170490227), (129, 162560449), (1763, 11894667), (5289, 3964889)]