20973898

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7879}}^1$

素因数の和:7914

約数の個数: 16

約数和(自身を含む): 34608960

約数和(自身を除く): 13635062

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7879, 15758, 86669, 173338, 953359, 1906718, 10486949, 20973898]

約数ペア:

[(1, 20973898), (2, 10486949), (11, 1906718), (22, 953359), (121, 173338), (242, 86669), (1331, 15758), (2662, 7879)]