20889583

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 26167536

約数和(自身を除く): 5277953

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 661, 1859, 2431, 2873, 7271, 8593, 11237, 31603, 94523, 111709, 123607, 146081, 1228799, 1606891, 1899053, 20889583]

約数ペア:

[(1, 20889583), (11, 1899053), (13, 1606891), (17, 1228799), (143, 146081), (169, 123607), (187, 111709), (221, 94523), (661, 31603), (1859, 11237), (2431, 8593), (2873, 7271)]