20124951

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87121}}^1$

素因数の和:87142

約数の個数: 16

約数和(自身を含む): 33454848

約数和(自身を除く): 13329897

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87121, 261363, 609847, 958331, 1829541, 2874993, 6708317, 20124951]

約数ペア:

[(1, 20124951), (3, 6708317), (7, 2874993), (11, 1829541), (21, 958331), (33, 609847), (77, 261363), (231, 87121)]