20199451741

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21696511}}^1$

素因数の和:21696544

約数の個数: 12

約数和(自身を含む): 24734023680

約数和(自身を除く): 4534571939

約数列:

[1, 7, 19, 49, 133, 931, 21696511, 151875577, 412233709, 1063129039, 2885635963, 20199451741]

約数ペア:

[(1, 20199451741), (7, 2885635963), (19, 1063129039), (49, 412233709), (133, 151875577), (931, 21696511)]