20406426580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23728403}}^1$

素因数の和:23728455

約数の個数: 24

約数和(自身を含む): 43850090592

約数和(自身を除く): 23443664012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23728403, 47456806, 94913612, 118642015, 237284030, 474568060, 1020321329, 2040642658, 4081285316, 5101606645, 10203213290, 20406426580]

約数ペア:

[(1, 20406426580), (2, 10203213290), (4, 5101606645), (5, 4081285316), (10, 2040642658), (20, 1020321329), (43, 474568060), (86, 237284030), (172, 118642015), (215, 94913612), (430, 47456806), (860, 23728403)]