20218659076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{38011}}^1$

素因数の和:38201

約数の個数: 72

約数和(自身を含む): 44731913408

約数和(自身を除く): 24513254332

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 157, 242, 308, 314, 484, 628, 847, 1099, 1694, 1727, 2198, 3388, 3454, 4396, 6908, 12089, 18997, 24178, 37994, 38011, 48356, 75988, 76022, 132979, 152044, 265958, 266077, 418121, 531916, 532154, 836242, 1064308, 1672484, 2926847, 4599331, 5853694, 5967727, 9198662, 11707388, 11935454, 18397324, 23870908, 32195317, 41774089, 64390634, 65644997, 83548178, 128781268, 131289994, 167096356, 262579988, 459514979, 722094967, 919029958, 1444189934, 1838059916, 2888379868, 5054664769, 10109329538, 20218659076]

約数ペア:

[(1, 20218659076), (2, 10109329538), (4, 5054664769), (7, 2888379868), (11, 1838059916), (14, 1444189934), (22, 919029958), (28, 722094967), (44, 459514979), (77, 262579988), (121, 167096356), (154, 131289994), (157, 128781268), (242, 83548178), (308, 65644997), (314, 64390634), (484, 41774089), (628, 32195317), (847, 23870908), (1099, 18397324), (1694, 11935454), (1727, 11707388), (2198, 9198662), (3388, 5967727), (3454, 5853694), (4396, 4599331), (6908, 2926847), (12089, 1672484), (18997, 1064308), (24178, 836242), (37994, 532154), (38011, 531916), (48356, 418121), (75988, 266077), (76022, 265958), (132979, 152044)]