20179943308

素因数分解:

$2^2\times 7^1\times {\mathrm{720712261}}^1$

素因数の和:720712272

約数の個数: 12

約数和(自身を含む): 40359886672

約数和(自身を除く): 20179943364

約数列:

[1, 2, 4, 7, 14, 28, 720712261, 1441424522, 2882849044, 5044985827, 10089971654, 20179943308]

約数ペア:

[(1, 20179943308), (2, 10089971654), (4, 5044985827), (7, 2882849044), (14, 1441424522), (28, 720712261)]