2017991800020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{4917853}}^1$

素因数の和:4918849

約数の個数: 96

約数和(自身を含む): 6464184668928

約数和(自身を除く): 4446192868908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 977, 1954, 2931, 3908, 4885, 5862, 6839, 9770, 11724, 13678, 14655, 19540, 20517, 27356, 29310, 34195, 41034, 58620, 68390, 82068, 102585, 136780, 205170, 410340, 4917853, 9835706, 14753559, 19671412, 24589265, 29507118, 34424971, 49178530, 59014236, 68849942, 73767795, 98357060, 103274913, 137699884, 147535590, 172124855, 206549826, 295071180, 344249710, 413099652, 516374565, 688499420, 1032749130, 2065498260, 4804742381, 9609484762, 14414227143, 19218969524, 24023711905, 28828454286, 33633196667, 48047423810, 57656908572, 67266393334, 72071135715, 96094847620, 100899590001, 134532786668, 144142271430, 168165983335, 201799180002, 288284542860, 336331966670, 403598360004, 504497950005, 672663933340, 1008995900010, 2017991800020]

約数ペア:

[(1, 2017991800020), (2, 1008995900010), (3, 672663933340), (4, 504497950005), (5, 403598360004), (6, 336331966670), (7, 288284542860), (10, 201799180002), (12, 168165983335), (14, 144142271430), (15, 134532786668), (20, 100899590001), (21, 96094847620), (28, 72071135715), (30, 67266393334), (35, 57656908572), (42, 48047423810), (60, 33633196667), (70, 28828454286), (84, 24023711905), (105, 19218969524), (140, 14414227143), (210, 9609484762), (420, 4804742381), (977, 2065498260), (1954, 1032749130), (2931, 688499420), (3908, 516374565), (4885, 413099652), (5862, 344249710), (6839, 295071180), (9770, 206549826), (11724, 172124855), (13678, 147535590), (14655, 137699884), (19540, 103274913), (20517, 98357060), (27356, 73767795), (29310, 68849942), (34195, 59014236), (41034, 49178530), (58620, 34424971), (68390, 29507118), (82068, 24589265), (102585, 19671412), (136780, 14753559), (205170, 9835706), (410340, 4917853)]