20951812

素因数分解:

$2^2\times 7^3\times {\mathrm{15271}}^1$

素因数の和:15296

約数の個数: 24

約数和(自身を含む): 42761600

約数和(自身を除く): 21809788

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15271, 30542, 61084, 106897, 213794, 427588, 748279, 1496558, 2993116, 5237953, 10475906, 20951812]

約数ペア:

[(1, 20951812), (2, 10475906), (4, 5237953), (7, 2993116), (14, 1496558), (28, 748279), (49, 427588), (98, 213794), (196, 106897), (343, 61084), (686, 30542), (1372, 15271)]