20805122018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5644363}}^1$

素因数の和:5644481

約数の個数: 16

約数和(自身を含む): 33188860320

約数和(自身を除く): 12383738302

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5644363, 11288726, 107242897, 214485794, 547503211, 1095006422, 10402561009, 20805122018]

約数ペア:

[(1, 20805122018), (2, 10402561009), (19, 1095006422), (38, 547503211), (97, 214485794), (194, 107242897), (1843, 11288726), (3686, 5644363)]