20106856

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4663}}^1$

素因数の和:4694

約数の個数: 48

約数和(自身を含む): 47852640

約数和(自身を除く): 27745784

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4663, 9326, 18652, 32641, 37304, 51293, 65282, 102586, 130564, 205172, 228487, 261128, 359051, 410344, 456974, 718102, 913948, 1436204, 1827896, 2513357, 2872408, 5026714, 10053428, 20106856]

約数ペア:

[(1, 20106856), (2, 10053428), (4, 5026714), (7, 2872408), (8, 2513357), (11, 1827896), (14, 1436204), (22, 913948), (28, 718102), (44, 456974), (49, 410344), (56, 359051), (77, 261128), (88, 228487), (98, 205172), (154, 130564), (196, 102586), (308, 65282), (392, 51293), (539, 37304), (616, 32641), (1078, 18652), (2156, 9326), (4312, 4663)]