20805386

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64613}}^1$

素因数の和:64645

約数の個数: 16

約数和(自身を含む): 37217664

約数和(自身を除く): 16412278

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64613, 129226, 452291, 904582, 1486099, 2972198, 10402693, 20805386]

約数ペア:

[(1, 20805386), (2, 10402693), (7, 2972198), (14, 1486099), (23, 904582), (46, 452291), (161, 129226), (322, 64613)]