20834372048

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1420009}}^1$

素因数の和:1420155

約数の個数: 40

約数和(自身を含む): 46485447360

約数和(自身を除く): 25651075312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 14672, 1420009, 2840018, 5680036, 9940063, 11360072, 19880126, 22720144, 39760252, 79520504, 159041008, 186021179, 372042358, 744084716, 1302148253, 1488169432, 2604296506, 2976338864, 5208593012, 10417186024, 20834372048]

約数ペア:

[(1, 20834372048), (2, 10417186024), (4, 5208593012), (7, 2976338864), (8, 2604296506), (14, 1488169432), (16, 1302148253), (28, 744084716), (56, 372042358), (112, 186021179), (131, 159041008), (262, 79520504), (524, 39760252), (917, 22720144), (1048, 19880126), (1834, 11360072), (2096, 9940063), (3668, 5680036), (7336, 2840018), (14672, 1420009)]