20379741

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{523}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 28170240

約数和(自身を除く): 7790499

約数列:

[1, 3, 31, 93, 419, 523, 1257, 1569, 12989, 16213, 38967, 48639, 219137, 657411, 6793247, 20379741]

約数ペア:

[(1, 20379741), (3, 6793247), (31, 657411), (93, 219137), (419, 48639), (523, 38967), (1257, 16213), (1569, 12989)]