20736968

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1009}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 44601600

約数和(自身を除く): 23864632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 1009, 1468, 2018, 2569, 2936, 4036, 5138, 7063, 8072, 10276, 14126, 20552, 28252, 56504, 370303, 740606, 1481212, 2592121, 2962424, 5184242, 10368484, 20736968]

約数ペア:

[(1, 20736968), (2, 10368484), (4, 5184242), (7, 2962424), (8, 2592121), (14, 1481212), (28, 740606), (56, 370303), (367, 56504), (734, 28252), (1009, 20552), (1468, 14126), (2018, 10276), (2569, 8072), (2936, 7063), (4036, 5138)]