20749755710

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4952209}}^1$

素因数の和:4952635

約数の個数: 16

約数和(自身を含む): 37438707600

約数和(自身を除く): 16688951890

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4952209, 9904418, 24761045, 49522090, 2074975571, 4149951142, 10374877855, 20749755710]

約数ペア:

[(1, 20749755710), (2, 10374877855), (5, 4149951142), (10, 2074975571), (419, 49522090), (838, 24761045), (2095, 9904418), (4190, 4952209)]