105050020

素因数分解:

$2^2\times 5^1\times {\mathrm{5252501}}^1$

素因数の和:5252510

約数の個数: 12

約数和(自身を含む): 220605084

約数和(自身を除く): 115555064

約数列:

[1, 2, 4, 5, 10, 20, 5252501, 10505002, 21010004, 26262505, 52525010, 105050020]

約数ペア:

[(1, 105050020), (2, 52525010), (4, 26262505), (5, 21010004), (10, 10505002), (20, 5252501)]