20191723780

素因数分解:

$2^2\times 5^1\times {\mathrm{1009586189}}^1$

素因数の和:1009586198

約数の個数: 12

約数和(自身を含む): 42402619980

約数和(自身を除く): 22210896200

約数列:

[1, 2, 4, 5, 10, 20, 1009586189, 2019172378, 4038344756, 5047930945, 10095861890, 20191723780]

約数ペア:

[(1, 20191723780), (2, 10095861890), (4, 5047930945), (5, 4038344756), (10, 2019172378), (20, 1009586189)]