20636820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{114649}}^1$

素因数の和:114664

約数の個数: 36

約数和(自身を含む): 62598900

約数和(自身を除く): 41962080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 114649, 229298, 343947, 458596, 573245, 687894, 1031841, 1146490, 1375788, 1719735, 2063682, 2292980, 3439470, 4127364, 5159205, 6878940, 10318410, 20636820]

約数ペア:

[(1, 20636820), (2, 10318410), (3, 6878940), (4, 5159205), (5, 4127364), (6, 3439470), (9, 2292980), (10, 2063682), (12, 1719735), (15, 1375788), (18, 1146490), (20, 1031841), (30, 687894), (36, 573245), (45, 458596), (60, 343947), (90, 229298), (180, 114649)]