20563761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9377}}^1$

素因数の和:9440

約数の個数: 16

約数和(自身を含む): 29709504

約数和(自身を除く): 9145743

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9377, 28131, 159409, 403211, 478227, 1209633, 6854587, 20563761]

約数ペア:

[(1, 20563761), (3, 6854587), (17, 1209633), (43, 478227), (51, 403211), (129, 159409), (731, 28131), (2193, 9377)]