20878202

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{2011}}^1$

素因数の和:2221

約数の個数: 16

約数和(自身を含む): 32594400

約数和(自身を除く): 11716198

約数列:

[1, 2, 29, 58, 179, 358, 2011, 4022, 5191, 10382, 58319, 116638, 359969, 719938, 10439101, 20878202]

約数ペア:

[(1, 20878202), (2, 10439101), (29, 719938), (58, 359969), (179, 116638), (358, 58319), (2011, 10382), (4022, 5191)]