20536415960

素因数分解:

$2^3\times 5^1\times {\mathrm{513410399}}^1$

素因数の和:513410410

約数の個数: 16

約数和(自身を含む): 46206936000

約数和(自身を除く): 25670520040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 513410399, 1026820798, 2053641596, 2567051995, 4107283192, 5134103990, 10268207980, 20536415960]

約数ペア:

[(1, 20536415960), (2, 10268207980), (4, 5134103990), (5, 4107283192), (8, 2567051995), (10, 2053641596), (20, 1026820798), (40, 513410399)]