20339817

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5437}}^1$

素因数の和:5512

約数の個数: 16

約数和(自身を含む): 28712640

約数和(自身を除く): 8372823

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5437, 16311, 157673, 233791, 473019, 701373, 6779939, 20339817]

約数ペア:

[(1, 20339817), (3, 6779939), (29, 701373), (43, 473019), (87, 233791), (129, 157673), (1247, 16311), (3741, 5437)]