20028627

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5261}}^1$

素因数の和:5320

約数の個数: 20

約数和(自身を含む): 30561696

約数和(自身を除く): 10533069

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5261, 15783, 47349, 142047, 247267, 426141, 741801, 2225403, 6676209, 20028627]

約数ペア:

[(1, 20028627), (3, 6676209), (9, 2225403), (27, 741801), (47, 426141), (81, 247267), (141, 142047), (423, 47349), (1269, 15783), (3807, 5261)]