20691033

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8831}}^1$

素因数の和:8916

約数の個数: 16

約数和(自身を含む): 30523392

約数和(自身を除く): 9832359

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8831, 26493, 97141, 291423, 627001, 1881003, 6897011, 20691033]

約数ペア:

[(1, 20691033), (3, 6897011), (11, 1881003), (33, 627001), (71, 291423), (213, 97141), (781, 26493), (2343, 8831)]