20576416

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{947}}^1$

素因数の和:1061

約数の個数: 48

約数和(自身を含む): 46823616

約数和(自身を除く): 26247200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 947, 1358, 1552, 1894, 2716, 3104, 3788, 5432, 6629, 7576, 10864, 13258, 15152, 21728, 26516, 30304, 53032, 91859, 106064, 183718, 212128, 367436, 643013, 734872, 1286026, 1469744, 2572052, 2939488, 5144104, 10288208, 20576416]

約数ペア:

[(1, 20576416), (2, 10288208), (4, 5144104), (7, 2939488), (8, 2572052), (14, 1469744), (16, 1286026), (28, 734872), (32, 643013), (56, 367436), (97, 212128), (112, 183718), (194, 106064), (224, 91859), (388, 53032), (679, 30304), (776, 26516), (947, 21728), (1358, 15152), (1552, 13258), (1894, 10864), (2716, 7576), (3104, 6629), (3788, 5432)]