20455817841

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{2801}}^1\times {\mathrm{3109}}^1$

素因数の和:5951

約数の個数: 40

約数和(自身を含む): 31632618600

約数和(自身を除く): 11176800759

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 2801, 3109, 8403, 9327, 25209, 27981, 75627, 81229, 83943, 90161, 226881, 243687, 251829, 270483, 731061, 811449, 2193183, 2434347, 6579549, 7303041, 8708309, 26124927, 78374781, 235124343, 252540961, 705373029, 757622883, 2272868649, 6818605947, 20455817841]

約数ペア:

[(1, 20455817841), (3, 6818605947), (9, 2272868649), (27, 757622883), (29, 705373029), (81, 252540961), (87, 235124343), (261, 78374781), (783, 26124927), (2349, 8708309), (2801, 7303041), (3109, 6579549), (8403, 2434347), (9327, 2193183), (25209, 811449), (27981, 731061), (75627, 270483), (81229, 251829), (83943, 243687), (90161, 226881)]