20590970080

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{364571}}^1$

素因数の和:364939

約数の個数: 48

約数和(自身を含む): 48784108464

約数和(自身を除く): 28193138384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 1412, 1765, 2824, 3530, 5648, 7060, 11296, 14120, 28240, 56480, 364571, 729142, 1458284, 1822855, 2916568, 3645710, 5833136, 7291420, 11666272, 14582840, 29165680, 58331360, 128693563, 257387126, 514774252, 643467815, 1029548504, 1286935630, 2059097008, 2573871260, 4118194016, 5147742520, 10295485040, 20590970080]

約数ペア:

[(1, 20590970080), (2, 10295485040), (4, 5147742520), (5, 4118194016), (8, 2573871260), (10, 2059097008), (16, 1286935630), (20, 1029548504), (32, 643467815), (40, 514774252), (80, 257387126), (160, 128693563), (353, 58331360), (706, 29165680), (1412, 14582840), (1765, 11666272), (2824, 7291420), (3530, 5833136), (5648, 3645710), (7060, 2916568), (11296, 1822855), (14120, 1458284), (28240, 729142), (56480, 364571)]