20163400873

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{43651}}^1$

素因数の和:44533

約数の個数: 24

約数和(自身を含む): 25618136544

約数和(自身を除く): 5454735671

約数列:

[1, 7, 11, 49, 77, 539, 857, 5999, 9427, 41993, 43651, 65989, 305557, 461923, 480161, 2138899, 3361127, 23527889, 37408907, 261862349, 411497977, 1833036443, 2880485839, 20163400873]

約数ペア:

[(1, 20163400873), (7, 2880485839), (11, 1833036443), (49, 411497977), (77, 261862349), (539, 37408907), (857, 23527889), (5999, 3361127), (9427, 2138899), (41993, 480161), (43651, 461923), (65989, 305557)]