20492017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3361}}^1$

素因数の和:3448

約数の個数: 16

約数和(自身を含む): 25604992

約数和(自身を除く): 5112975

約数列:

[1, 7, 13, 67, 91, 469, 871, 3361, 6097, 23527, 43693, 225187, 305851, 1576309, 2927431, 20492017]

約数ペア:

[(1, 20492017), (7, 2927431), (13, 1576309), (67, 305851), (91, 225187), (469, 43693), (871, 23527), (3361, 6097)]