20254850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5261}}^1$

素因数の和:5291

約数の個数: 48

約数和(自身を含む): 46979136

約数和(自身を除く): 26724286

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5261, 10522, 26305, 36827, 52610, 57871, 73654, 115742, 131525, 184135, 263050, 289355, 368270, 405097, 578710, 810194, 920675, 1446775, 1841350, 2025485, 2893550, 4050970, 10127425, 20254850]

約数ペア:

[(1, 20254850), (2, 10127425), (5, 4050970), (7, 2893550), (10, 2025485), (11, 1841350), (14, 1446775), (22, 920675), (25, 810194), (35, 578710), (50, 405097), (55, 368270), (70, 289355), (77, 263050), (110, 184135), (154, 131525), (175, 115742), (275, 73654), (350, 57871), (385, 52610), (550, 36827), (770, 26305), (1925, 10522), (3850, 5261)]