20139794913

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1\times {\mathrm{6961}}^1$

素因数の和:7725

約数の個数: 32

約数和(自身を含む): 30861821952

約数和(自身を除く): 10722027039

約数列:

[1, 3, 7, 21, 311, 443, 933, 1329, 2177, 3101, 6531, 6961, 9303, 20883, 48727, 137773, 146181, 413319, 964411, 2164871, 2893233, 3083723, 6494613, 9251169, 15154097, 21586061, 45462291, 64758183, 959037853, 2877113559, 6713264971, 20139794913]

約数ペア:

[(1, 20139794913), (3, 6713264971), (7, 2877113559), (21, 959037853), (311, 64758183), (443, 45462291), (933, 21586061), (1329, 15154097), (2177, 9251169), (3101, 6494613), (6531, 3083723), (6961, 2893233), (9303, 2164871), (20883, 964411), (48727, 413319), (137773, 146181)]