20154163970

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4810063}}^1$

素因数の和:4810489

約数の個数: 16

約数和(自身を含む): 36364083840

約数和(自身を除く): 16209919870

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4810063, 9620126, 24050315, 48100630, 2015416397, 4030832794, 10077081985, 20154163970]

約数ペア:

[(1, 20154163970), (2, 10077081985), (5, 4030832794), (10, 2015416397), (419, 48100630), (838, 24050315), (2095, 9620126), (4190, 4810063)]