20189749689

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{773}}^1\times {\mathrm{2539}}^1$

素因数の和:3451

約数の個数: 40

約数和(自身を含む): 30448788480

約数和(自身を除く): 10259038791

約数列:

[1, 3, 9, 27, 81, 127, 381, 773, 1143, 2319, 2539, 3429, 6957, 7617, 10287, 20871, 22851, 62613, 68553, 98171, 205659, 294513, 322453, 883539, 967359, 1962647, 2650617, 2902077, 5887941, 7951851, 8706231, 17663823, 26118693, 52991469, 158974407, 249256169, 747768507, 2243305521, 6729916563, 20189749689]

約数ペア:

[(1, 20189749689), (3, 6729916563), (9, 2243305521), (27, 747768507), (81, 249256169), (127, 158974407), (381, 52991469), (773, 26118693), (1143, 17663823), (2319, 8706231), (2539, 7951851), (3429, 5887941), (6957, 2902077), (7617, 2650617), (10287, 1962647), (20871, 967359), (22851, 883539), (62613, 322453), (68553, 294513), (98171, 205659)]