15694080020

素因数分解:

$2^2\times 5^1\times {\mathrm{784704001}}^1$

素因数の和:784704010

約数の個数: 12

約数和(自身を含む): 32957568084

約数和(自身を除く): 17263488064

約数列:

[1, 2, 4, 5, 10, 20, 784704001, 1569408002, 3138816004, 3923520005, 7847040010, 15694080020]

約数ペア:

[(1, 15694080020), (2, 7847040010), (4, 3923520005), (5, 3138816004), (10, 1569408002), (20, 784704001)]