20145552049

素因数分解:

$7^1\times {\mathrm{47}}^2\times {\mathrm{557}}^1\times {\mathrm{2339}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 23576080320

約数和(自身を除く): 3430528271

約数列:

[1, 7, 47, 329, 557, 2209, 2339, 3899, 15463, 16373, 26179, 109933, 183253, 769531, 1230413, 1302823, 5166851, 8612891, 9119761, 36167957, 61232681, 428628767, 2877936007, 20145552049]

約数ペア:

[(1, 20145552049), (7, 2877936007), (47, 428628767), (329, 61232681), (557, 36167957), (2209, 9119761), (2339, 8612891), (3899, 5166851), (15463, 1302823), (16373, 1230413), (26179, 769531), (109933, 183253)]