2019628010020

素因数分解:

$2^2\times 5^1\times {\mathrm{100981400501}}^1$

素因数の和:100981400510

約数の個数: 12

約数和(自身を含む): 4241218821084

約数和(自身を除く): 2221590811064

約数列:

[1, 2, 4, 5, 10, 20, 100981400501, 201962801002, 403925602004, 504907002505, 1009814005010, 2019628010020]

約数ペア:

[(1, 2019628010020), (2, 1009814005010), (4, 504907002505), (5, 403925602004), (10, 201962801002), (20, 100981400501)]