20347218639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{490519}}^1$

素因数の和:490955

約数の個数: 24

約数和(自身を含む): 32138870400

約数和(自身を除く): 11791651761

約数列:

[1, 3, 9, 11, 33, 99, 419, 1257, 3771, 4609, 13827, 41481, 490519, 1471557, 4414671, 5395709, 16187127, 48561381, 205527461, 616582383, 1849747149, 2260802071, 6782406213, 20347218639]

約数ペア:

[(1, 20347218639), (3, 6782406213), (9, 2260802071), (11, 1849747149), (33, 616582383), (99, 205527461), (419, 48561381), (1257, 16187127), (3771, 5395709), (4609, 4414671), (13827, 1471557), (41481, 490519)]