20161853497648

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9619204913}}^1$

素因数の和:9619205052

約数の個数: 20

約数和(自身を含む): 39361786508088

約数和(自身を除く): 19199933010440

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9619204913, 19238409826, 38476819652, 76953639304, 153907278608, 1260115843603, 2520231687206, 5040463374412, 10080926748824, 20161853497648]

約数ペア:

[(1, 20161853497648), (2, 10080926748824), (4, 5040463374412), (8, 2520231687206), (16, 1260115843603), (131, 153907278608), (262, 76953639304), (524, 38476819652), (1048, 19238409826), (2096, 9619204913)]