20788518

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{203809}}^1$

素因数の和:203831

約数の個数: 16

約数和(自身を含む): 44022960

約数和(自身を除く): 23234442

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 203809, 407618, 611427, 1222854, 3464753, 6929506, 10394259, 20788518]

約数ペア:

[(1, 20788518), (2, 10394259), (3, 6929506), (6, 3464753), (17, 1222854), (34, 611427), (51, 407618), (102, 203809)]