20403721898

素因数分解:

$2^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5670851}}^1$

素因数の和:5671117

約数の個数: 16

約数和(自身を含む): 35113915584

約数和(自身を除く): 14710193686

約数列:

[1, 2, 7, 14, 257, 514, 1799, 3598, 5670851, 11341702, 39695957, 79391914, 1457408707, 2914817414, 10201860949, 20403721898]

約数ペア:

[(1, 20403721898), (2, 10201860949), (7, 2914817414), (14, 1457408707), (257, 79391914), (514, 39695957), (1799, 11341702), (3598, 5670851)]