20089216

素因数分解:

$2^7\times 7^2\times {\mathrm{3203}}^1$

素因数の和:3231

約数の個数: 48

約数和(自身を含む): 46570140

約数和(自身を除く): 26480924

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3203, 6272, 6406, 12812, 22421, 25624, 44842, 51248, 89684, 102496, 156947, 179368, 204992, 313894, 358736, 409984, 627788, 717472, 1255576, 1434944, 2511152, 2869888, 5022304, 10044608, 20089216]

約数ペア:

[(1, 20089216), (2, 10044608), (4, 5022304), (7, 2869888), (8, 2511152), (14, 1434944), (16, 1255576), (28, 717472), (32, 627788), (49, 409984), (56, 358736), (64, 313894), (98, 204992), (112, 179368), (128, 156947), (196, 102496), (224, 89684), (392, 51248), (448, 44842), (784, 25624), (896, 22421), (1568, 12812), (3136, 6406), (3203, 6272)]