20793136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14281}}^1$

素因数の和:14309

約数の個数: 40

約数和(自身を含む): 49587104

約数和(自身を除く): 28793968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14281, 28562, 57124, 99967, 114248, 185653, 199934, 228496, 371306, 399868, 742612, 799736, 1299571, 1485224, 1599472, 2599142, 2970448, 5198284, 10396568, 20793136]

約数ペア:

[(1, 20793136), (2, 10396568), (4, 5198284), (7, 2970448), (8, 2599142), (13, 1599472), (14, 1485224), (16, 1299571), (26, 799736), (28, 742612), (52, 399868), (56, 371306), (91, 228496), (104, 199934), (112, 185653), (182, 114248), (208, 99967), (364, 57124), (728, 28562), (1456, 14281)]