20960140

素因数分解:

$2^2\times 5^1\times {\mathrm{1048007}}^1$

素因数の和:1048016

約数の個数: 12

約数和(自身を含む): 44016336

約数和(自身を除く): 23056196

約数列:

[1, 2, 4, 5, 10, 20, 1048007, 2096014, 4192028, 5240035, 10480070, 20960140]

約数ペア:

[(1, 20960140), (2, 10480070), (4, 5240035), (5, 4192028), (10, 2096014), (20, 1048007)]