20246721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4831}}^1$

素因数の和:4972

約数の個数: 16

約数和(自身を含む): 29687808

約数和(自身を除く): 9441087

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 4831, 14493, 53141, 159423, 613537, 1840611, 6748907, 20246721]

約数ペア:

[(1, 20246721), (3, 6748907), (11, 1840611), (33, 613537), (127, 159423), (381, 53141), (1397, 14493), (4191, 4831)]