20168060020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21455383}}^1$

素因数の和:21455439

約数の個数: 24

約数和(自身を含む): 43254054144

約数和(自身を除く): 23085994124

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21455383, 42910766, 85821532, 107276915, 214553830, 429107660, 1008403001, 2016806002, 4033612004, 5042015005, 10084030010, 20168060020]

約数ペア:

[(1, 20168060020), (2, 10084030010), (4, 5042015005), (5, 4033612004), (10, 2016806002), (20, 1008403001), (47, 429107660), (94, 214553830), (188, 107276915), (235, 85821532), (470, 42910766), (940, 21455383)]