15203480020

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2178149}}^1$

素因数の和:2178507

約数の個数: 24

約数和(自身を含む): 32018805000

約数和(自身を除く): 16815324980

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 2178149, 4356298, 8712596, 10890745, 21781490, 43562980, 760174001, 1520348002, 3040696004, 3800870005, 7601740010, 15203480020]

約数ペア:

[(1, 15203480020), (2, 7601740010), (4, 3800870005), (5, 3040696004), (10, 1520348002), (20, 760174001), (349, 43562980), (698, 21781490), (1396, 10890745), (1745, 8712596), (3490, 4356298), (6980, 2178149)]