20689656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{5101}}^1$

素因数の和:5136

約数の個数: 48

約数和(自身を含む): 56019960

約数和(自身を除く): 35330304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 5101, 10202, 15303, 20404, 30606, 40808, 61212, 66313, 122424, 132626, 198939, 265252, 397878, 530504, 795756, 862069, 1591512, 1724138, 2586207, 3448276, 5172414, 6896552, 10344828, 20689656]

約数ペア:

[(1, 20689656), (2, 10344828), (3, 6896552), (4, 5172414), (6, 3448276), (8, 2586207), (12, 1724138), (13, 1591512), (24, 862069), (26, 795756), (39, 530504), (52, 397878), (78, 265252), (104, 198939), (156, 132626), (169, 122424), (312, 66313), (338, 61212), (507, 40808), (676, 30606), (1014, 20404), (1352, 15303), (2028, 10202), (4056, 5101)]