20180530288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{419449}}^1$

素因数の和:419585

約数の個数: 40

約数和(自身を含む): 40777251200

約数和(自身を除く): 20596720912

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 388, 496, 776, 1552, 3007, 6014, 12028, 24056, 48112, 419449, 838898, 1677796, 3355592, 6711184, 13002919, 26005838, 40686553, 52011676, 81373106, 104023352, 162746212, 208046704, 325492424, 650984848, 1261283143, 2522566286, 5045132572, 10090265144, 20180530288]

約数ペア:

[(1, 20180530288), (2, 10090265144), (4, 5045132572), (8, 2522566286), (16, 1261283143), (31, 650984848), (62, 325492424), (97, 208046704), (124, 162746212), (194, 104023352), (248, 81373106), (388, 52011676), (496, 40686553), (776, 26005838), (1552, 13002919), (3007, 6711184), (6014, 3355592), (12028, 1677796), (24056, 838898), (48112, 419449)]