20387829

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88259}}^1$

素因数の和:88280

約数の個数: 16

約数和(自身を含む): 33891840

約数和(自身を除く): 13504011

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88259, 264777, 617813, 970849, 1853439, 2912547, 6795943, 20387829]

約数ペア:

[(1, 20387829), (3, 6795943), (7, 2912547), (11, 1853439), (21, 970849), (33, 617813), (77, 264777), (231, 88259)]