20564684

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10061}}^1$

素因数の和:10145

約数の個数: 24

約数和(自身を含む): 41696928

約数和(自身を除く): 21132244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10061, 20122, 40244, 70427, 140854, 281708, 734453, 1468906, 2937812, 5141171, 10282342, 20564684]

約数ペア:

[(1, 20564684), (2, 10282342), (4, 5141171), (7, 2937812), (14, 1468906), (28, 734453), (73, 281708), (146, 140854), (292, 70427), (511, 40244), (1022, 20122), (2044, 10061)]