20168870

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15881}}^1$

素因数の和:16015

約数の個数: 16

約数和(自身を含む): 36592128

約数和(自身を除く): 16423258

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15881, 31762, 79405, 158810, 2016887, 4033774, 10084435, 20168870]

約数ペア:

[(1, 20168870), (2, 10084435), (5, 4033774), (10, 2016887), (127, 158810), (254, 79405), (635, 31762), (1270, 15881)]