20162833220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{253493}}^1$

素因数の和:253640

約数の個数: 48

約数和(自身を含む): 43822014768

約数和(自身を除く): 23659181548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 3977, 7954, 15908, 19885, 39770, 79540, 253493, 506986, 1013972, 1267465, 2534930, 5069860, 10393213, 20786426, 24588821, 41572852, 49177642, 51966065, 98355284, 103932130, 122944105, 207864260, 245888210, 491776420, 1008141661, 2016283322, 4032566644, 5040708305, 10081416610, 20162833220]

約数ペア:

[(1, 20162833220), (2, 10081416610), (4, 5040708305), (5, 4032566644), (10, 2016283322), (20, 1008141661), (41, 491776420), (82, 245888210), (97, 207864260), (164, 122944105), (194, 103932130), (205, 98355284), (388, 51966065), (410, 49177642), (485, 41572852), (820, 24588821), (970, 20786426), (1940, 10393213), (3977, 5069860), (7954, 2534930), (15908, 1267465), (19885, 1013972), (39770, 506986), (79540, 253493)]