20955204

素因数分解:

$2^2\times 3^2\times {\mathrm{709}}^1\times {\mathrm{821}}^1$

素因数の和:1540

約数の個数: 36

約数和(自身を含む): 53109420

約数和(自身を除く): 32154216

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 709, 821, 1418, 1642, 2127, 2463, 2836, 3284, 4254, 4926, 6381, 7389, 8508, 9852, 12762, 14778, 25524, 29556, 582089, 1164178, 1746267, 2328356, 3492534, 5238801, 6985068, 10477602, 20955204]

約数ペア:

[(1, 20955204), (2, 10477602), (3, 6985068), (4, 5238801), (6, 3492534), (9, 2328356), (12, 1746267), (18, 1164178), (36, 582089), (709, 29556), (821, 25524), (1418, 14778), (1642, 12762), (2127, 9852), (2463, 8508), (2836, 7389), (3284, 6381), (4254, 4926)]