20136256

素因数分解:

$2^6\times 7^2\times {\mathrm{6421}}^1$

素因数の和:6447

約数の個数: 42

約数和(自身を含む): 46488858

約数和(自身を除く): 26352602

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6421, 12842, 25684, 44947, 51368, 89894, 102736, 179788, 205472, 314629, 359576, 410944, 629258, 719152, 1258516, 1438304, 2517032, 2876608, 5034064, 10068128, 20136256]

約数ペア:

[(1, 20136256), (2, 10068128), (4, 5034064), (7, 2876608), (8, 2517032), (14, 1438304), (16, 1258516), (28, 719152), (32, 629258), (49, 410944), (56, 359576), (64, 314629), (98, 205472), (112, 179788), (196, 102736), (224, 89894), (392, 51368), (448, 44947), (784, 25684), (1568, 12842), (3136, 6421)]