20709524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{1087}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 39664128

約数和(自身を除く): 18954604

約数列:

[1, 2, 4, 11, 22, 44, 433, 866, 1087, 1732, 2174, 4348, 4763, 9526, 11957, 19052, 23914, 47828, 470671, 941342, 1882684, 5177381, 10354762, 20709524]

約数ペア:

[(1, 20709524), (2, 10354762), (4, 5177381), (11, 1882684), (22, 941342), (44, 470671), (433, 47828), (866, 23914), (1087, 19052), (1732, 11957), (2174, 9526), (4348, 4763)]