20802074811

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{277}}^1\times {\mathrm{2953}}^1$

素因数の和:3420

約数の個数: 48

約数和(自身を含む): 32579122464

約数和(自身を除く): 11777047653

約数列:

[1, 3, 7, 21, 49, 147, 173, 277, 519, 831, 1211, 1939, 2953, 3633, 5817, 8477, 8859, 13573, 20671, 25431, 40719, 47921, 62013, 143763, 144697, 335447, 434091, 510869, 817981, 1006341, 1532607, 2348129, 2453943, 3576083, 5725867, 7044387, 10728249, 17177601, 25032581, 40081069, 75097743, 120243207, 141510713, 424532139, 990574991, 2971724973, 6934024937, 20802074811]

約数ペア:

[(1, 20802074811), (3, 6934024937), (7, 2971724973), (21, 990574991), (49, 424532139), (147, 141510713), (173, 120243207), (277, 75097743), (519, 40081069), (831, 25032581), (1211, 17177601), (1939, 10728249), (2953, 7044387), (3633, 5725867), (5817, 3576083), (8477, 2453943), (8859, 2348129), (13573, 1532607), (20671, 1006341), (25431, 817981), (40719, 510869), (47921, 434091), (62013, 335447), (143763, 144697)]