20137936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13831}}^1$

素因数の和:13859

約数の個数: 40

約数和(自身を含む): 48024704

約数和(自身を除く): 27886768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13831, 27662, 55324, 96817, 110648, 179803, 193634, 221296, 359606, 387268, 719212, 774536, 1258621, 1438424, 1549072, 2517242, 2876848, 5034484, 10068968, 20137936]

約数ペア:

[(1, 20137936), (2, 10068968), (4, 5034484), (7, 2876848), (8, 2517242), (13, 1549072), (14, 1438424), (16, 1258621), (26, 774536), (28, 719212), (52, 387268), (56, 359606), (91, 221296), (104, 193634), (112, 179803), (182, 110648), (208, 96817), (364, 55324), (728, 27662), (1456, 13831)]