20264671

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 23788800

約数和(自身を除く): 3524129

約数列:

[1, 7, 59, 139, 353, 413, 973, 2471, 8201, 20827, 49067, 57407, 145789, 343469, 2894953, 20264671]

約数ペア:

[(1, 20264671), (7, 2894953), (59, 343469), (139, 145789), (353, 57407), (413, 49067), (973, 20827), (2471, 8201)]