20173929839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1\times {\mathrm{2143}}^1$

素因数の和:4119

約数の個数: 32

約数和(自身を含む): 24949985280

約数和(自身を除く): 4776055441

約数列:

[1, 7, 19, 37, 133, 259, 703, 1913, 2143, 4921, 13391, 15001, 36347, 40717, 70781, 79291, 254429, 285019, 495467, 555037, 1344839, 1506529, 4099559, 9413873, 10545703, 28696913, 77891621, 151683683, 545241347, 1061785781, 2881989977, 20173929839]

約数ペア:

[(1, 20173929839), (7, 2881989977), (19, 1061785781), (37, 545241347), (133, 151683683), (259, 77891621), (703, 28696913), (1913, 10545703), (2143, 9413873), (4921, 4099559), (13391, 1506529), (15001, 1344839), (36347, 555037), (40717, 495467), (70781, 285019), (79291, 254429)]