20749552

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4091}}^1$

素因数の和:4416

約数の個数: 20

約数和(自身を含む): 40338936

約数和(自身を除く): 19589384

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4091, 5072, 8182, 16364, 32728, 65456, 1296847, 2593694, 5187388, 10374776, 20749552]

約数ペア:

[(1, 20749552), (2, 10374776), (4, 5187388), (8, 2593694), (16, 1296847), (317, 65456), (634, 32728), (1268, 16364), (2536, 8182), (4091, 5072)]