20120171535549

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{4946257}}^1$

素因数の和:4946786

約数の個数: 48

約数和(自身を含む): 31099221259392

約数和(自身を除く): 10979049723843

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 457, 989, 1371, 2967, 4113, 8901, 10511, 19651, 31533, 58953, 94599, 176859, 451973, 1355919, 4067757, 4946257, 14838771, 44516313, 113763911, 212689051, 341291733, 638067153, 1023875199, 1914201459, 2260439449, 4891848173, 6781318347, 14675544519, 20343955041, 44026633557, 51990107327, 97198896307, 155970321981, 291596688921, 467910965943, 874790066763, 2235574615061, 6706723845183, 20120171535549]

約数ペア:

[(1, 20120171535549), (3, 6706723845183), (9, 2235574615061), (23, 874790066763), (43, 467910965943), (69, 291596688921), (129, 155970321981), (207, 97198896307), (387, 51990107327), (457, 44026633557), (989, 20343955041), (1371, 14675544519), (2967, 6781318347), (4113, 4891848173), (8901, 2260439449), (10511, 1914201459), (19651, 1023875199), (31533, 638067153), (58953, 341291733), (94599, 212689051), (176859, 113763911), (451973, 44516313), (1355919, 14838771), (4067757, 4946257)]