20321219518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1\times {\mathrm{208907}}^1$

素因数の和:211787

約数の個数: 16

約数和(自身を含む): 32286313584

約数和(自身を除く): 11965094066

約数列:

[1, 2, 17, 34, 2861, 5722, 48637, 97274, 208907, 417814, 3551419, 7102838, 597682927, 1195365854, 10160609759, 20321219518]

約数ペア:

[(1, 20321219518), (2, 10160609759), (17, 1195365854), (34, 597682927), (2861, 7102838), (5722, 3551419), (48637, 417814), (97274, 208907)]