20746608

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2753}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 53956368

約数和(自身を除く): 33209760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2753, 3768, 5506, 7536, 8259, 11012, 16518, 22024, 33036, 44048, 66072, 132144, 432221, 864442, 1296663, 1728884, 2593326, 3457768, 5186652, 6915536, 10373304, 20746608]

約数ペア:

[(1, 20746608), (2, 10373304), (3, 6915536), (4, 5186652), (6, 3457768), (8, 2593326), (12, 1728884), (16, 1296663), (24, 864442), (48, 432221), (157, 132144), (314, 66072), (471, 44048), (628, 33036), (942, 22024), (1256, 16518), (1884, 11012), (2512, 8259), (2753, 7536), (3768, 5506)]