20989898792

素因数分解:

$2^3\times {\mathrm{479}}^1\times {\mathrm{619}}^1\times {\mathrm{8849}}^1$

素因数の和:9953

約数の個数: 32

約数和(自身を含む): 39506400000

約数和(自身を除く): 18516501208

約数列:

[1, 2, 4, 8, 479, 619, 958, 1238, 1916, 2476, 3832, 4952, 8849, 17698, 35396, 70792, 296501, 593002, 1186004, 2372008, 4238671, 5477531, 8477342, 10955062, 16954684, 21910124, 33909368, 43820248, 2623737349, 5247474698, 10494949396, 20989898792]

約数ペア:

[(1, 20989898792), (2, 10494949396), (4, 5247474698), (8, 2623737349), (479, 43820248), (619, 33909368), (958, 21910124), (1238, 16954684), (1916, 10955062), (2476, 8477342), (3832, 5477531), (4952, 4238671), (8849, 2372008), (17698, 1186004), (35396, 593002), (70792, 296501)]