20798718

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{203909}}^1$

素因数の和:203931

約数の個数: 16

約数和(自身を含む): 44044560

約数和(自身を除く): 23245842

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 203909, 407818, 611727, 1223454, 3466453, 6932906, 10399359, 20798718]

約数ペア:

[(1, 20798718), (2, 10399359), (3, 6932906), (6, 3466453), (17, 1223454), (34, 611727), (51, 407818), (102, 203909)]