20207523

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13553}}^1$

素因数の和:13634

約数の個数: 16

約数和(自身を含む): 31228416

約数和(自身を除く): 11020893

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13553, 40659, 94871, 284613, 962263, 2886789, 6735841, 20207523]

約数ペア:

[(1, 20207523), (3, 6735841), (7, 2886789), (21, 962263), (71, 284613), (213, 94871), (497, 40659), (1491, 13553)]