20102751

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 30021264

約数和(自身を除く): 9918513

約数列:

[1, 3, 9, 41, 123, 157, 347, 369, 471, 1041, 1413, 3123, 6437, 14227, 19311, 42681, 54479, 57933, 128043, 163437, 490311, 2233639, 6700917, 20102751]

約数ペア:

[(1, 20102751), (3, 6700917), (9, 2233639), (41, 490311), (123, 163437), (157, 128043), (347, 57933), (369, 54479), (471, 42681), (1041, 19311), (1413, 14227), (3123, 6437)]