20104172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 20229940

約数列:

[1, 2, 4, 11, 22, 37, 44, 53, 74, 106, 148, 212, 233, 407, 466, 583, 814, 932, 1166, 1628, 1961, 2332, 2563, 3922, 5126, 7844, 8621, 10252, 12349, 17242, 21571, 24698, 34484, 43142, 49396, 86284, 94831, 135839, 189662, 271678, 379324, 456913, 543356, 913826, 1827652, 5026043, 10052086, 20104172]

約数ペア:

[(1, 20104172), (2, 10052086), (4, 5026043), (11, 1827652), (22, 913826), (37, 543356), (44, 456913), (53, 379324), (74, 271678), (106, 189662), (148, 135839), (212, 94831), (233, 86284), (407, 49396), (466, 43142), (583, 34484), (814, 24698), (932, 21571), (1166, 17242), (1628, 12349), (1961, 10252), (2332, 8621), (2563, 7844), (3922, 5126)]