20166839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1447}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 25299456

約数和(自身を除く): 5132617

約数列:

[1, 7, 11, 77, 181, 1267, 1447, 1991, 10129, 13937, 15917, 111419, 261907, 1833349, 2880977, 20166839]

約数ペア:

[(1, 20166839), (7, 2880977), (11, 1833349), (77, 261907), (181, 111419), (1267, 15917), (1447, 13937), (1991, 10129)]