20419252081

素因数分解:

${\mathrm{31}}^2\times {\mathrm{523}}^1\times {\mathrm{40627}}^1$

素因数の和:41212

約数の個数: 12

約数和(自身を含む): 21140048496

約数和(自身を除く): 720796415

約数列:

[1, 31, 523, 961, 16213, 40627, 502603, 1259437, 21247921, 39042547, 658685551, 20419252081]

約数ペア:

[(1, 20419252081), (31, 658685551), (523, 39042547), (961, 21247921), (16213, 1259437), (40627, 502603)]