20198704701

素因数分解:

$3^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{781351}}^1$

素因数の和:782592

約数の個数: 16

約数和(自身を含む): 30804021248

約数和(自身を除く): 10605316547

約数列:

[1, 3, 7, 21, 1231, 3693, 8617, 25851, 781351, 2344053, 5469457, 16408371, 961843081, 2885529243, 6732901567, 20198704701]

約数ペア:

[(1, 20198704701), (3, 6732901567), (7, 2885529243), (21, 961843081), (1231, 16408371), (3693, 5469457), (8617, 2344053), (25851, 781351)]