20674839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6871}}^1$

素因数の和:6950

約数の個数: 16

約数和(自身を含む): 29687040

約数和(自身を除く): 9012201

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6871, 20613, 116807, 350421, 405389, 1216167, 6891613, 20674839]

約数ペア:

[(1, 20674839), (3, 6891613), (17, 1216167), (51, 405389), (59, 350421), (177, 116807), (1003, 20613), (3009, 6871)]