20966211

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8117}}^1$

素因数の和:8171

約数の個数: 24

約数和(自身を含む): 35459424

約数和(自身を除く): 14493213

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 8117, 24351, 56819, 73053, 170457, 332797, 511371, 998391, 2329579, 2995173, 6988737, 20966211]

約数ペア:

[(1, 20966211), (3, 6988737), (7, 2995173), (9, 2329579), (21, 998391), (41, 511371), (63, 332797), (123, 170457), (287, 73053), (369, 56819), (861, 24351), (2583, 8117)]