20981614

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:731

約数の個数: 16

約数和(自身を含む): 31961952

約数和(自身を除く): 10980338

約数列:

[1, 2, 113, 226, 263, 353, 526, 706, 29719, 39889, 59438, 79778, 92839, 185678, 10490807, 20981614]

約数ペア:

[(1, 20981614), (2, 10490807), (113, 185678), (226, 92839), (263, 79778), (353, 59438), (526, 39889), (706, 29719)]