20185804821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73940677}}^1$

素因数の和:73940700

約数の個数: 16

約数和(自身を含む): 33125423744

約数和(自身を除く): 12939618923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73940677, 221822031, 517584739, 961228801, 1552754217, 2883686403, 6728601607, 20185804821]

約数ペア:

[(1, 20185804821), (3, 6728601607), (7, 2883686403), (13, 1552754217), (21, 961228801), (39, 517584739), (91, 221822031), (273, 73940677)]