20911258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1427}}^1$

素因数の和:1877

約数の個数: 16

約数和(自身を含む): 33312384

約数和(自身を除く): 12401126

約数列:

[1, 2, 17, 34, 431, 862, 1427, 2854, 7327, 14654, 24259, 48518, 615037, 1230074, 10455629, 20911258]

約数ペア:

[(1, 20911258), (2, 10455629), (17, 1230074), (34, 615037), (431, 48518), (862, 24259), (1427, 14654), (2854, 7327)]