20873690

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5981}}^1$

素因数の和:6337

約数の個数: 16

約数和(自身を含む): 37686600

約数和(自身を除く): 16812910

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 5981, 11962, 29905, 59810, 2087369, 4174738, 10436845, 20873690]

約数ペア:

[(1, 20873690), (2, 10436845), (5, 4174738), (10, 2087369), (349, 59810), (698, 29905), (1745, 11962), (3490, 5981)]