20961576

素因数分解:

$2^3\times 3^2\times {\mathrm{347}}^1\times {\mathrm{839}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 57002400

約数和(自身を除く): 36040824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 347, 694, 839, 1041, 1388, 1678, 2082, 2517, 2776, 3123, 3356, 4164, 5034, 6246, 6712, 7551, 8328, 10068, 12492, 15102, 20136, 24984, 30204, 60408, 291133, 582266, 873399, 1164532, 1746798, 2329064, 2620197, 3493596, 5240394, 6987192, 10480788, 20961576]

約数ペア:

[(1, 20961576), (2, 10480788), (3, 6987192), (4, 5240394), (6, 3493596), (8, 2620197), (9, 2329064), (12, 1746798), (18, 1164532), (24, 873399), (36, 582266), (72, 291133), (347, 60408), (694, 30204), (839, 24984), (1041, 20136), (1388, 15102), (1678, 12492), (2082, 10068), (2517, 8328), (2776, 7551), (3123, 6712), (3356, 6246), (4164, 5034)]