20303216

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4003}}^1$

素因数の和:4328

約数の個数: 20

約数和(自身を含む): 39471432

約数和(自身を除く): 19168216

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4003, 5072, 8006, 16012, 32024, 64048, 1268951, 2537902, 5075804, 10151608, 20303216]

約数ペア:

[(1, 20303216), (2, 10151608), (4, 5075804), (8, 2537902), (16, 1268951), (317, 64048), (634, 32024), (1268, 16012), (2536, 8006), (4003, 5072)]