20113039

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 21934080

約数和(自身を除く): 1821041

約数列:

[1, 19, 47, 101, 223, 893, 1919, 4237, 4747, 10481, 22523, 90193, 199139, 427937, 1058581, 20113039]

約数ペア:

[(1, 20113039), (19, 1058581), (47, 427937), (101, 199139), (223, 90193), (893, 22523), (1919, 10481), (4237, 4747)]