20165202561

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1\times {\mathrm{6343}}^1$

素因数の和:9621

約数の個数: 32

約数和(自身を含む): 31396405248

約数和(自身を除く): 11231202687

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 3221, 6343, 9663, 19029, 22547, 44401, 67641, 133203, 151387, 298121, 454161, 894363, 1059709, 2086847, 3179127, 6260541, 20430803, 61292409, 143015621, 429046863, 960247741, 2880743223, 6721734187, 20165202561]

約数ペア:

[(1, 20165202561), (3, 6721734187), (7, 2880743223), (21, 960247741), (47, 429046863), (141, 143015621), (329, 61292409), (987, 20430803), (3221, 6260541), (6343, 3179127), (9663, 2086847), (19029, 1059709), (22547, 894363), (44401, 454161), (67641, 298121), (133203, 151387)]