20702991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{9901}}^1$

素因数の和:9962

約数の個数: 16

約数和(自身を含む): 29943648

約数和(自身を除く): 9240657

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 9901, 29703, 168317, 405941, 504951, 1217823, 6900997, 20702991]

約数ペア:

[(1, 20702991), (3, 6900997), (17, 1217823), (41, 504951), (51, 405941), (123, 168317), (697, 29703), (2091, 9901)]