20377707

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10903}}^1$

素因数の和:11002

約数の個数: 16

約数和(自身を含む): 31403520

約数和(自身を除く): 11025813

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10903, 32709, 76321, 228963, 970367, 2911101, 6792569, 20377707]

約数ペア:

[(1, 20377707), (3, 6792569), (7, 2911101), (21, 970367), (89, 228963), (267, 76321), (623, 32709), (1869, 10903)]