20081272508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{14759}}^1$

素因数の和:14915

約数の個数: 72

約数和(自身を含む): 41108135040

約数和(自身を除く): 21026862532

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 107, 187, 214, 289, 374, 428, 578, 748, 1156, 1177, 1819, 2354, 3179, 3638, 4708, 6358, 7276, 12716, 14759, 20009, 29518, 30923, 40018, 59036, 61846, 80036, 123692, 162349, 250903, 324698, 340153, 501806, 649396, 680306, 1003612, 1360612, 1579213, 2759933, 3158426, 4265351, 5519866, 6316852, 8530702, 11039732, 17061404, 17371343, 26846621, 34742686, 46918861, 53693242, 69485372, 93837722, 107386484, 187675444, 295312831, 456392557, 590625662, 912785114, 1181251324, 1825570228, 5020318127, 10040636254, 20081272508]

約数ペア:

[(1, 20081272508), (2, 10040636254), (4, 5020318127), (11, 1825570228), (17, 1181251324), (22, 912785114), (34, 590625662), (44, 456392557), (68, 295312831), (107, 187675444), (187, 107386484), (214, 93837722), (289, 69485372), (374, 53693242), (428, 46918861), (578, 34742686), (748, 26846621), (1156, 17371343), (1177, 17061404), (1819, 11039732), (2354, 8530702), (3179, 6316852), (3638, 5519866), (4708, 4265351), (6358, 3158426), (7276, 2759933), (12716, 1579213), (14759, 1360612), (20009, 1003612), (29518, 680306), (30923, 649396), (40018, 501806), (59036, 340153), (61846, 324698), (80036, 250903), (123692, 162349)]