20065959

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 12282201

約数列:

[1, 3, 9, 23, 31, 53, 59, 69, 93, 159, 177, 207, 279, 477, 531, 713, 1219, 1357, 1643, 1829, 2139, 3127, 3657, 4071, 4929, 5487, 6417, 9381, 10971, 12213, 14787, 16461, 28143, 37789, 42067, 71921, 96937, 113367, 126201, 215763, 290811, 340101, 378603, 647289, 872433, 2229551, 6688653, 20065959]

約数ペア:

[(1, 20065959), (3, 6688653), (9, 2229551), (23, 872433), (31, 647289), (53, 378603), (59, 340101), (69, 290811), (93, 215763), (159, 126201), (177, 113367), (207, 96937), (279, 71921), (477, 42067), (531, 37789), (713, 28143), (1219, 16461), (1357, 14787), (1643, 12213), (1829, 10971), (2139, 9381), (3127, 6417), (3657, 5487), (4071, 4929)]