20171909525

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{1669}}^1\times {\mathrm{11243}}^1$

素因数の和:12965

約数の個数: 24

約数和(自身を含む): 25612482720

約数和(自身を除く): 5440573195

約数列:

[1, 5, 25, 43, 215, 1075, 1669, 8345, 11243, 41725, 56215, 71767, 281075, 358835, 483449, 1794175, 2417245, 12086225, 18764567, 93822835, 469114175, 806876381, 4034381905, 20171909525]

約数ペア:

[(1, 20171909525), (5, 4034381905), (25, 806876381), (43, 469114175), (215, 93822835), (1075, 18764567), (1669, 12086225), (8345, 2417245), (11243, 1794175), (41725, 483449), (56215, 358835), (71767, 281075)]