20572887

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2473}}^1$

素因数の和:2582

約数の個数: 16

約数和(自身を含む): 28500480

約数和(自身を除く): 7927593

約数列:

[1, 3, 47, 59, 141, 177, 2473, 2773, 7419, 8319, 116231, 145907, 348693, 437721, 6857629, 20572887]

約数ペア:

[(1, 20572887), (3, 6857629), (47, 437721), (59, 348693), (141, 145907), (177, 116231), (2473, 8319), (2773, 7419)]