20172903957

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{785641}}^1$

素因数の和:785970

約数の個数: 20

約数和(自身を含む): 30229932876

約数和(自身を除く): 10057028919

約数列:

[1, 3, 9, 27, 81, 317, 951, 2853, 8559, 25677, 785641, 2356923, 7070769, 21212307, 63636921, 249048197, 747144591, 2241433773, 6724301319, 20172903957]

約数ペア:

[(1, 20172903957), (3, 6724301319), (9, 2241433773), (27, 747144591), (81, 249048197), (317, 63636921), (951, 21212307), (2853, 7070769), (8559, 2356923), (25677, 785641)]