20164874576

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1487963}}^1$

素因数の和:1488000

約数の個数: 60

約数和(自身を含む): 49079004576

約数和(自身を除く): 28914130000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 3388, 6776, 13552, 1487963, 2975926, 5951852, 10415741, 11903704, 16367593, 20831482, 23807408, 32735186, 41662964, 65470372, 83325928, 114573151, 130940744, 166651856, 180043523, 229146302, 261881488, 360087046, 458292604, 720174092, 916585208, 1260304661, 1440348184, 1833170416, 2520609322, 2880696368, 5041218644, 10082437288, 20164874576]

約数ペア:

[(1, 20164874576), (2, 10082437288), (4, 5041218644), (7, 2880696368), (8, 2520609322), (11, 1833170416), (14, 1440348184), (16, 1260304661), (22, 916585208), (28, 720174092), (44, 458292604), (56, 360087046), (77, 261881488), (88, 229146302), (112, 180043523), (121, 166651856), (154, 130940744), (176, 114573151), (242, 83325928), (308, 65470372), (484, 41662964), (616, 32735186), (847, 23807408), (968, 20831482), (1232, 16367593), (1694, 11903704), (1936, 10415741), (3388, 5951852), (6776, 2975926), (13552, 1487963)]