20777816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63347}}^1$

素因数の和:63394

約数の個数: 16

約数和(自身を含む): 39909240

約数和(自身を除く): 19131424

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63347, 126694, 253388, 506776, 2597227, 5194454, 10388908, 20777816]

約数ペア:

[(1, 20777816), (2, 10388908), (4, 5194454), (8, 2597227), (41, 506776), (82, 253388), (164, 126694), (328, 63347)]