20401128

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25759}}^1$

素因数の和:25782

約数の個数: 48

約数和(自身を含む): 60278400

約数和(自身を除く): 39877272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 25759, 51518, 77277, 103036, 154554, 206072, 231831, 283349, 309108, 463662, 566698, 618216, 850047, 927324, 1133396, 1700094, 1854648, 2266792, 2550141, 3400188, 5100282, 6800376, 10200564, 20401128]

約数ペア:

[(1, 20401128), (2, 10200564), (3, 6800376), (4, 5100282), (6, 3400188), (8, 2550141), (9, 2266792), (11, 1854648), (12, 1700094), (18, 1133396), (22, 927324), (24, 850047), (33, 618216), (36, 566698), (44, 463662), (66, 309108), (72, 283349), (88, 231831), (99, 206072), (132, 154554), (198, 103036), (264, 77277), (396, 51518), (792, 25759)]