20218132977

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22389959}}^1$

素因数の和:22390012

約数の個数: 16

約数和(自身を含む): 31525063680

約数和(自身を除く): 11306930703

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22389959, 67169877, 156729713, 470189139, 962768237, 2888304711, 6739377659, 20218132977]

約数ペア:

[(1, 20218132977), (3, 6739377659), (7, 2888304711), (21, 962768237), (43, 470189139), (129, 156729713), (301, 67169877), (903, 22389959)]