20216280020

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1632979}}^1$

素因数の和:1633607

約数の個数: 24

約数和(自身を含む): 42522799200

約数和(自身を除く): 22306519180

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 1632979, 3265958, 6531916, 8164895, 16329790, 32659580, 1010814001, 2021628002, 4043256004, 5054070005, 10108140010, 20216280020]

約数ペア:

[(1, 20216280020), (2, 10108140010), (4, 5054070005), (5, 4043256004), (10, 2021628002), (20, 1010814001), (619, 32659580), (1238, 16329790), (2476, 8164895), (3095, 6531916), (6190, 3265958), (12380, 1632979)]