20819672

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49103}}^1$

素因数の和:49162

約数の個数: 16

約数和(自身を含む): 39774240

約数和(自身を除く): 18954568

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49103, 98206, 196412, 392824, 2602459, 5204918, 10409836, 20819672]

約数ペア:

[(1, 20819672), (2, 10409836), (4, 5204918), (8, 2602459), (53, 392824), (106, 196412), (212, 98206), (424, 49103)]