20311088

素因数分解:

$2^4\times 7^3\times {\mathrm{3701}}^1$

素因数の和:3730

約数の個数: 40

約数和(自身を含む): 45904800

約数和(自身を除く): 25593712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3701, 5488, 7402, 14804, 25907, 29608, 51814, 59216, 103628, 181349, 207256, 362698, 414512, 725396, 1269443, 1450792, 2538886, 2901584, 5077772, 10155544, 20311088]

約数ペア:

[(1, 20311088), (2, 10155544), (4, 5077772), (7, 2901584), (8, 2538886), (14, 1450792), (16, 1269443), (28, 725396), (49, 414512), (56, 362698), (98, 207256), (112, 181349), (196, 103628), (343, 59216), (392, 51814), (686, 29608), (784, 25907), (1372, 14804), (2744, 7402), (3701, 5488)]