20130069

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 27403520

約数和(自身を除く): 7273451

約数列:

[1, 3, 79, 157, 237, 471, 541, 1623, 12403, 37209, 42739, 84937, 128217, 254811, 6710023, 20130069]

約数ペア:

[(1, 20130069), (3, 6710023), (79, 254811), (157, 128217), (237, 84937), (471, 42739), (541, 37209), (1623, 12403)]