20833813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1601}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 28143936

約数和(自身を除く): 7310123

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1601, 1859, 11207, 13013, 17611, 20813, 123277, 145691, 228943, 270569, 1602601, 1893983, 2976259, 20833813]

約数ペア:

[(1, 20833813), (7, 2976259), (11, 1893983), (13, 1602601), (77, 270569), (91, 228943), (143, 145691), (169, 123277), (1001, 20813), (1183, 17611), (1601, 13013), (1859, 11207)]