20464521

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88591}}^1$

素因数の和:88612

約数の個数: 16

約数和(自身を含む): 34019328

約数和(自身を除く): 13554807

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88591, 265773, 620137, 974501, 1860411, 2923503, 6821507, 20464521]

約数ペア:

[(1, 20464521), (3, 6821507), (7, 2923503), (11, 1860411), (21, 974501), (33, 620137), (77, 265773), (231, 88591)]