20168072904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{182167}}^1$

素因数の和:182842

約数の個数: 64

約数和(自身を含む): 57710822400

約数和(自身を除く): 37542749496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 659, 1318, 1977, 2636, 3954, 4613, 5272, 7908, 9226, 13839, 15816, 18452, 27678, 36904, 55356, 110712, 182167, 364334, 546501, 728668, 1093002, 1275169, 1457336, 2186004, 2550338, 3825507, 4372008, 5100676, 7651014, 10201352, 15302028, 30604056, 120048053, 240096106, 360144159, 480192212, 720288318, 840336371, 960384424, 1440576636, 1680672742, 2521009113, 2881153272, 3361345484, 5042018226, 6722690968, 10084036452, 20168072904]

約数ペア:

[(1, 20168072904), (2, 10084036452), (3, 6722690968), (4, 5042018226), (6, 3361345484), (7, 2881153272), (8, 2521009113), (12, 1680672742), (14, 1440576636), (21, 960384424), (24, 840336371), (28, 720288318), (42, 480192212), (56, 360144159), (84, 240096106), (168, 120048053), (659, 30604056), (1318, 15302028), (1977, 10201352), (2636, 7651014), (3954, 5100676), (4613, 4372008), (5272, 3825507), (7908, 2550338), (9226, 2186004), (13839, 1457336), (15816, 1275169), (18452, 1093002), (27678, 728668), (36904, 546501), (55356, 364334), (110712, 182167)]