20871534

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151243}}^1$

素因数の和:151271

約数の個数: 16

約数和(自身を含む): 43558272

約数和(自身を除く): 22686738

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 151243, 302486, 453729, 907458, 3478589, 6957178, 10435767, 20871534]

約数ペア:

[(1, 20871534), (2, 10435767), (3, 6957178), (6, 3478589), (23, 907458), (46, 453729), (69, 302486), (138, 151243)]