20505453

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3877}}^1$

素因数の和:3964

約数の個数: 16

約数和(自身を含む): 28666176

約数和(自身を除く): 8160723

約数列:

[1, 3, 41, 43, 123, 129, 1763, 3877, 5289, 11631, 158957, 166711, 476871, 500133, 6835151, 20505453]

約数ペア:

[(1, 20505453), (3, 6835151), (41, 500133), (43, 476871), (123, 166711), (129, 158957), (1763, 11631), (3877, 5289)]