205364890

素因数分解:

$2^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{19919}}^1$

素因数の和:20957

約数の個数: 16

約数和(自身を含む): 370033920

約数和(自身を除く): 164669030

約数列:

[1, 2, 5, 10, 1031, 2062, 5155, 10310, 19919, 39838, 99595, 199190, 20536489, 41072978, 102682445, 205364890]

約数ペア:

[(1, 205364890), (2, 102682445), (5, 41072978), (10, 20536489), (1031, 199190), (2062, 99595), (5155, 39838), (10310, 19919)]