20264468

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1823}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 40653312

約数和(自身を除く): 20388844

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 1823, 2779, 3646, 5558, 7292, 11116, 12761, 25522, 51044, 723731, 1447462, 2894924, 5066117, 10132234, 20264468]

約数ペア:

[(1, 20264468), (2, 10132234), (4, 5066117), (7, 2894924), (14, 1447462), (28, 723731), (397, 51044), (794, 25522), (1588, 12761), (1823, 11116), (2779, 7292), (3646, 5558)]