12720976

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{1297}}^1$

素因数の和:1918

約数の個数: 20

約数和(自身を含む): 24706132

約数和(自身を除く): 11985156

約数列:

[1, 2, 4, 8, 16, 613, 1226, 1297, 2452, 2594, 4904, 5188, 9808, 10376, 20752, 795061, 1590122, 3180244, 6360488, 12720976]

約数ペア:

[(1, 12720976), (2, 6360488), (4, 3180244), (8, 1590122), (16, 795061), (613, 20752), (1226, 10376), (1297, 9808), (2452, 5188), (2594, 4904)]