20163763216

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6397133}}^1$

素因数の和:6397338

約数の個数: 20

約数和(自身を含む): 39265608492

約数和(自身を除く): 19101845276

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6397133, 12794266, 25588532, 51177064, 102354128, 1260235201, 2520470402, 5040940804, 10081881608, 20163763216]

約数ペア:

[(1, 20163763216), (2, 10081881608), (4, 5040940804), (8, 2520470402), (16, 1260235201), (197, 102354128), (394, 51177064), (788, 25588532), (1576, 12794266), (3152, 6397133)]