20163617728

素因数分解:

$2^6\times {\mathrm{1123}}^1\times {\mathrm{280549}}^1$

素因数の和:281684

約数の個数: 28

約数和(自身を含む): 40047951400

約数和(自身を除く): 19884333672

約数列:

[1, 2, 4, 8, 16, 32, 64, 1123, 2246, 4492, 8984, 17968, 35936, 71872, 280549, 561098, 1122196, 2244392, 4488784, 8977568, 17955136, 315056527, 630113054, 1260226108, 2520452216, 5040904432, 10081808864, 20163617728]

約数ペア:

[(1, 20163617728), (2, 10081808864), (4, 5040904432), (8, 2520452216), (16, 1260226108), (32, 630113054), (64, 315056527), (1123, 17955136), (2246, 8977568), (4492, 4488784), (8984, 2244392), (17968, 1122196), (35936, 561098), (71872, 280549)]