20399874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28099}}^1$

素因数の和:28126

約数の個数: 24

約数和(自身を含む): 44847600

約数和(自身を除く): 24447726

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28099, 56198, 84297, 168594, 309089, 618178, 927267, 1854534, 3399979, 6799958, 10199937, 20399874]

約数ペア:

[(1, 20399874), (2, 10199937), (3, 6799958), (6, 3399979), (11, 1854534), (22, 927267), (33, 618178), (66, 309089), (121, 168594), (242, 84297), (363, 56198), (726, 28099)]