20284257

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10853}}^1$

素因数の和:10952

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 10975263

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10853, 32559, 75971, 227913, 965917, 2897751, 6761419, 20284257]

約数ペア:

[(1, 20284257), (3, 6761419), (7, 2897751), (21, 965917), (89, 227913), (267, 75971), (623, 32559), (1869, 10853)]