20138025596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{497137}}^1$

素因数の和:497214

約数の個数: 48

約数和(自身を含む): 40924400160

約数和(自身を除く): 20786374564

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1558, 2132, 3116, 10127, 20254, 40508, 497137, 994274, 1988548, 6462781, 9445603, 12925562, 18891206, 20382617, 25851124, 37782412, 40765234, 81530468, 122792839, 245585678, 264974021, 387269723, 491171356, 529948042, 774539446, 1059896084, 1549078892, 5034506399, 10069012798, 20138025596]

約数ペア:

[(1, 20138025596), (2, 10069012798), (4, 5034506399), (13, 1549078892), (19, 1059896084), (26, 774539446), (38, 529948042), (41, 491171356), (52, 387269723), (76, 264974021), (82, 245585678), (164, 122792839), (247, 81530468), (494, 40765234), (533, 37782412), (779, 25851124), (988, 20382617), (1066, 18891206), (1558, 12925562), (2132, 9445603), (3116, 6462781), (10127, 1988548), (20254, 994274), (40508, 497137)]