20520027

素因数分解:

$3^3\times {\mathrm{11}}^3\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 33496320

約数和(自身を除く): 12976293

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 571, 1089, 1331, 1713, 3267, 3993, 5139, 6281, 11979, 15417, 18843, 35937, 56529, 69091, 169587, 207273, 621819, 760001, 1865457, 2280003, 6840009, 20520027]

約数ペア:

[(1, 20520027), (3, 6840009), (9, 2280003), (11, 1865457), (27, 760001), (33, 621819), (99, 207273), (121, 169587), (297, 69091), (363, 56529), (571, 35937), (1089, 18843), (1331, 15417), (1713, 11979), (3267, 6281), (3993, 5139)]