20710912

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2166

約数の個数: 40

約数和(自身を含む): 43579800

約数和(自身を除く): 22868888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2129, 2432, 4258, 4864, 8516, 9728, 17032, 34064, 40451, 68128, 80902, 136256, 161804, 272512, 323608, 545024, 647216, 1090048, 1294432, 2588864, 5177728, 10355456, 20710912]

約数ペア:

[(1, 20710912), (2, 10355456), (4, 5177728), (8, 2588864), (16, 1294432), (19, 1090048), (32, 647216), (38, 545024), (64, 323608), (76, 272512), (128, 161804), (152, 136256), (256, 80902), (304, 68128), (512, 40451), (608, 34064), (1216, 17032), (2129, 9728), (2432, 8516), (4258, 4864)]