20402703

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{133351}}^1$

素因数の和:133374

約数の個数: 12

約数和(自身を含む): 31204368

約数和(自身を除く): 10801665

約数列:

[1, 3, 9, 17, 51, 153, 133351, 400053, 1200159, 2266967, 6800901, 20402703]

約数ペア:

[(1, 20402703), (3, 6800901), (9, 2266967), (17, 1200159), (51, 400053), (153, 133351)]