20759492020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13138919}}^1$

素因数の和:13139007

約数の個数: 24

約数和(自身を含む): 44146771200

約数和(自身を除く): 23387279180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 13138919, 26277838, 52555676, 65694595, 131389190, 262778380, 1037974601, 2075949202, 4151898404, 5189873005, 10379746010, 20759492020]

約数ペア:

[(1, 20759492020), (2, 10379746010), (4, 5189873005), (5, 4151898404), (10, 2075949202), (20, 1037974601), (79, 262778380), (158, 131389190), (316, 65694595), (395, 52555676), (790, 26277838), (1580, 13138919)]