20719358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{1069}}^1$

素因数の和:1963

約数の個数: 16

約数和(自身を含む): 33974640

約数和(自身を除く): 13255282

約数列:

[1, 2, 11, 22, 881, 1069, 1762, 2138, 9691, 11759, 19382, 23518, 941789, 1883578, 10359679, 20719358]

約数ペア:

[(1, 20719358), (2, 10359679), (11, 1883578), (22, 941789), (881, 23518), (1069, 19382), (1762, 11759), (2138, 9691)]