20625472

素因数分解:

$2^6\times 7^2\times {\mathrm{6577}}^1$

素因数の和:6603

約数の個数: 42

約数和(自身を含む): 47618142

約数和(自身を除く): 26992670

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6577, 13154, 26308, 46039, 52616, 92078, 105232, 184156, 210464, 322273, 368312, 420928, 644546, 736624, 1289092, 1473248, 2578184, 2946496, 5156368, 10312736, 20625472]

約数ペア:

[(1, 20625472), (2, 10312736), (4, 5156368), (7, 2946496), (8, 2578184), (14, 1473248), (16, 1289092), (28, 736624), (32, 644546), (49, 420928), (56, 368312), (64, 322273), (98, 210464), (112, 184156), (196, 105232), (224, 92078), (392, 52616), (448, 46039), (784, 26308), (1568, 13154), (3136, 6577)]