20217081261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1\times {\mathrm{2411}}^1$

素因数の和:3657

約数の個数: 32

約数和(自身を含む): 29207969280

約数和(自身を除く): 8990888019

約数列:

[1, 3, 13, 39, 211, 633, 1019, 2411, 2743, 3057, 7233, 8229, 13247, 31343, 39741, 94029, 215009, 508721, 645027, 1526163, 2456809, 2795117, 6613373, 7370427, 8385351, 19840119, 31938517, 95815551, 518386699, 1555160097, 6739027087, 20217081261]

約数ペア:

[(1, 20217081261), (3, 6739027087), (13, 1555160097), (39, 518386699), (211, 95815551), (633, 31938517), (1019, 19840119), (2411, 8385351), (2743, 7370427), (3057, 6613373), (7233, 2795117), (8229, 2456809), (13247, 1526163), (31343, 645027), (39741, 508721), (94029, 215009)]