20670930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10937}}^1$

素因数の和:10960

約数の個数: 64

約数和(自身を含む): 63002880

約数和(自身を除く): 42331950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10937, 21874, 32811, 54685, 65622, 76559, 98433, 109370, 153118, 164055, 196866, 229677, 295299, 328110, 382795, 459354, 492165, 590598, 689031, 765590, 984330, 1148385, 1378062, 1476495, 2067093, 2296770, 2952990, 3445155, 4134186, 6890310, 10335465, 20670930]

約数ペア:

[(1, 20670930), (2, 10335465), (3, 6890310), (5, 4134186), (6, 3445155), (7, 2952990), (9, 2296770), (10, 2067093), (14, 1476495), (15, 1378062), (18, 1148385), (21, 984330), (27, 765590), (30, 689031), (35, 590598), (42, 492165), (45, 459354), (54, 382795), (63, 328110), (70, 295299), (90, 229677), (105, 196866), (126, 164055), (135, 153118), (189, 109370), (210, 98433), (270, 76559), (315, 65622), (378, 54685), (630, 32811), (945, 21874), (1890, 10937)]