20256311

素因数分解:

${\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 21542400

約数和(自身を除く): 1286089

約数列:

[1, 43, 67, 79, 89, 2881, 3397, 3827, 5293, 5963, 7031, 227599, 256409, 302333, 471077, 20256311]

約数ペア:

[(1, 20256311), (43, 471077), (67, 302333), (79, 256409), (89, 227599), (2881, 7031), (3397, 5963), (3827, 5293)]