20533156

素因数分解:

$2^2\times 7^2\times {\mathrm{104761}}^1$

素因数の和:104779

約数の個数: 18

約数和(自身を含む): 41800038

約数和(自身を除く): 21266882

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 104761, 209522, 419044, 733327, 1466654, 2933308, 5133289, 10266578, 20533156]

約数ペア:

[(1, 20533156), (2, 10266578), (4, 5133289), (7, 2933308), (14, 1466654), (28, 733327), (49, 419044), (98, 209522), (196, 104761)]