20958773

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 25510464

約数和(自身を除く): 4551691

約数列:

[1, 11, 17, 23, 121, 187, 253, 391, 443, 2057, 2783, 4301, 4873, 7531, 10189, 47311, 53603, 82841, 112079, 173213, 911251, 1232869, 1905343, 20958773]

約数ペア:

[(1, 20958773), (11, 1905343), (17, 1232869), (23, 911251), (121, 173213), (187, 112079), (253, 82841), (391, 53603), (443, 47311), (2057, 10189), (2783, 7531), (4301, 4873)]