20180245820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144144613}}^1$

素因数の和:144144629

約数の個数: 24

約数和(自身を含む): 48432590304

約数和(自身を除く): 28252344484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144144613, 288289226, 576578452, 720723065, 1009012291, 1441446130, 2018024582, 2882892260, 4036049164, 5045061455, 10090122910, 20180245820]

約数ペア:

[(1, 20180245820), (2, 10090122910), (4, 5045061455), (5, 4036049164), (7, 2882892260), (10, 2018024582), (14, 1441446130), (20, 1009012291), (28, 720723065), (35, 576578452), (70, 288289226), (140, 144144613)]