2020117720

素因数分解:

$2^3\times 5^1\times {\mathrm{50502943}}^1$

素因数の和:50502954

約数の個数: 16

約数和(自身を含む): 4545264960

約数和(自身を除く): 2525147240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50502943, 101005886, 202011772, 252514715, 404023544, 505029430, 1010058860, 2020117720]

約数ペア:

[(1, 2020117720), (2, 1010058860), (4, 505029430), (5, 404023544), (8, 252514715), (10, 202011772), (20, 101005886), (40, 50502943)]