20130376

素因数分解:

$2^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 44477100

約数和(自身を除く): 24346724

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 178, 196, 356, 392, 577, 623, 712, 1154, 1246, 2308, 2492, 4039, 4361, 4616, 4984, 8078, 8722, 16156, 17444, 28273, 32312, 34888, 51353, 56546, 102706, 113092, 205412, 226184, 359471, 410824, 718942, 1437884, 2516297, 2875768, 5032594, 10065188, 20130376]

約数ペア:

[(1, 20130376), (2, 10065188), (4, 5032594), (7, 2875768), (8, 2516297), (14, 1437884), (28, 718942), (49, 410824), (56, 359471), (89, 226184), (98, 205412), (178, 113092), (196, 102706), (356, 56546), (392, 51353), (577, 34888), (623, 32312), (712, 28273), (1154, 17444), (1246, 16156), (2308, 8722), (2492, 8078), (4039, 4984), (4361, 4616)]