20262571821

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{105983}}^1$

素因数の和:106162

約数の個数: 32

約数和(自身を含む): 30743838720

約数和(自身を除く): 10481266899

約数列:

[1, 3, 9, 27, 73, 97, 219, 291, 657, 873, 1971, 2619, 7081, 21243, 63729, 105983, 191187, 317949, 953847, 2861541, 7736759, 10280351, 23210277, 30841053, 69630831, 92523159, 208892493, 277569477, 750465623, 2251396869, 6754190607, 20262571821]

約数ペア:

[(1, 20262571821), (3, 6754190607), (9, 2251396869), (27, 750465623), (73, 277569477), (97, 208892493), (219, 92523159), (291, 69630831), (657, 30841053), (873, 23210277), (1971, 10280351), (2619, 7736759), (7081, 2861541), (21243, 953847), (63729, 317949), (105983, 191187)]