20322020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53479}}^1$

素因数の和:53507

約数の個数: 24

約数和(自身を含む): 44923200

約数和(自身を除く): 24601180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53479, 106958, 213916, 267395, 534790, 1016101, 1069580, 2032202, 4064404, 5080505, 10161010, 20322020]

約数ペア:

[(1, 20322020), (2, 10161010), (4, 5080505), (5, 4064404), (10, 2032202), (19, 1069580), (20, 1016101), (38, 534790), (76, 267395), (95, 213916), (190, 106958), (380, 53479)]