20346961520

素因数分解:

$2^4\times 5^1\times {\mathrm{254337019}}^1$

素因数の和:254337032

約数の個数: 20

約数和(自身を含む): 47306685720

約数和(自身を除く): 26959724200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 254337019, 508674038, 1017348076, 1271685095, 2034696152, 2543370190, 4069392304, 5086740380, 10173480760, 20346961520]

約数ペア:

[(1, 20346961520), (2, 10173480760), (4, 5086740380), (5, 4069392304), (8, 2543370190), (10, 2034696152), (16, 1271685095), (20, 1017348076), (40, 508674038), (80, 254337019)]