2016982820

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{51691}}^1$

素因数の和:53651

約数の個数: 24

約数和(自身を含む): 4237916928

約数和(自身を除く): 2220934108

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 7804, 9755, 19510, 39020, 51691, 103382, 206764, 258455, 516910, 1033820, 100849141, 201698282, 403396564, 504245705, 1008491410, 2016982820]

約数ペア:

[(1, 2016982820), (2, 1008491410), (4, 504245705), (5, 403396564), (10, 201698282), (20, 100849141), (1951, 1033820), (3902, 516910), (7804, 258455), (9755, 206764), (19510, 103382), (39020, 51691)]