20038961240

素因数分解:

$2^3\times 5^1\times {\mathrm{500974031}}^1$

素因数の和:500974042

約数の個数: 16

約数和(自身を含む): 45087662880

約数和(自身を除く): 25048701640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500974031, 1001948062, 2003896124, 2504870155, 4007792248, 5009740310, 10019480620, 20038961240]

約数ペア:

[(1, 20038961240), (2, 10019480620), (4, 5009740310), (5, 4007792248), (8, 2504870155), (10, 2003896124), (20, 1001948062), (40, 500974031)]