20175272235

素因数分解:

$3^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{208433}}^1$

素因数の和:208689

約数の個数: 40

約数和(自身を含む): 36317540160

約数和(自身を除く): 16142267925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 239, 405, 717, 1195, 2151, 3585, 6453, 10755, 19359, 32265, 96795, 208433, 625299, 1042165, 1875897, 3126495, 5627691, 9379485, 16883073, 28138455, 49815487, 84415365, 149446461, 249077435, 448339383, 747232305, 1345018149, 2241696915, 4035054447, 6725090745, 20175272235]

約数ペア:

[(1, 20175272235), (3, 6725090745), (5, 4035054447), (9, 2241696915), (15, 1345018149), (27, 747232305), (45, 448339383), (81, 249077435), (135, 149446461), (239, 84415365), (405, 49815487), (717, 28138455), (1195, 16883073), (2151, 9379485), (3585, 5627691), (6453, 3126495), (10755, 1875897), (19359, 1042165), (32265, 625299), (96795, 208433)]