20871258

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151241}}^1$

素因数の和:151269

約数の個数: 16

約数和(自身を含む): 43557696

約数和(自身を除く): 22686438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 151241, 302482, 453723, 907446, 3478543, 6957086, 10435629, 20871258]

約数ペア:

[(1, 20871258), (2, 10435629), (3, 6957086), (6, 3478543), (23, 907446), (46, 453723), (69, 302482), (138, 151241)]